78153202004 has 24 divisors (see below), whose sum is σ = 138721459968. Its totient is φ = 38518714080.

The previous prime is 78153202003. The next prime is 78153202027. The reversal of 78153202004 is 40020235187.

It is a super-2 number, since 2×78153202004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78153202003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607054 + ... + 1654970.

It is an arithmetic number, because the mean of its divisors is an integer number (5780060832).

Almost surely, 2^78153202004 is an apocalyptic number.

It is an amenable number.

78153202004 is a deficient number, since it is larger than the sum of its proper divisors (60568257964).

78153202004 is a wasteful number, since it uses less digits than its factorization.

78153202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53735 (or 53733 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 78153202004 in words is "seventy-eight billion, one hundred fifty-three million, two hundred two thousand, four".