78373427000 has 128 divisors (see below), whose sum is σ = 204946822080. Its totient is φ = 27804160000.

The previous prime is 78373426987. The next prime is 78373427003. The reversal of 78373427000 is 72437387.

It is a super-2 number, since 2×78373427000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78373427003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364112 + ... + 537888.

Almost surely, 2^78373427000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78373427000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102473411040).

78373427000 is an abundant number, since it is smaller than the sum of its proper divisors (126573395080).

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

78373427000 is a wasteful number, since it uses less digits than its factorization.

78373427000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173850 (or 173836 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 78373427000 in words is "seventy-eight billion, three hundred seventy-three million, four hundred twenty-seven thousand".