157978204 has 12 divisors (see below), whose sum is σ = 279568800. Its totient is φ = 78101408.

The previous prime is 157978199. The next prime is 157978211. The reversal of 157978204 is 402879751.

157978204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157978204² = 49914225878131232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221524 + ... + 222235.

It is an arithmetic number, because the mean of its divisors is an integer number (23297400).

Almost surely, 2^157978204 is an apocalyptic number.

It is an amenable number.

157978204 is a deficient number, since it is larger than the sum of its proper divisors (121590596).

157978204 is a wasteful number, since it uses less digits than its factorization.

157978204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443852 (or 443850 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 157978204 is about 12568.9380617457. The cubic root of 157978204 is about 540.5871574033.

The spelling of 157978204 in words is "one hundred fifty-seven million, nine hundred seventy-eight thousand, two hundred four".