78270669204 has 576 divisors, whose sum is σ = 253335914496. Its totient is φ = 18560876544.

The previous prime is 78270669143. The next prime is 78270669209. The reversal of 78270669204 is 40296607287.

It is a super-2 number, since 2×78270669204² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78270669209) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 350989437 + ... + 350989659.

It is an arithmetic number, because the mean of its divisors is an integer number (439819296).

Almost surely, 2^78270669204 is an apocalyptic number.

78270669204 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78270669204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126667957248).

78270669204 is an abundant number, since it is smaller than the sum of its proper divisors (175065245292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78270669204 is a wasteful number, since it uses less digits than its factorization.

78270669204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 78270669204 in words is "seventy-eight billion, two hundred seventy million, six hundred sixty-nine thousand, two hundred four".