157035978 has 36 divisors (see below), whose sum is σ = 373993074. Its totient is φ = 47586000.

The previous prime is 157035971. The next prime is 157036057. The reversal of 157035978 is 879530751.

157035978 is a `hidden beast` number, since 1 + 57 + 0 + 3 + 597 + 8 = 666.

157035978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 149891049 + 7144929 = 12243^2 + 2673^2 .

It is not an unprimeable number, because it can be changed into a prime (157035971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33873 + ... + 38228.

Almost surely, 2^157035978 is an apocalyptic number.

157035978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157035978 is an abundant number, since it is smaller than the sum of its proper divisors (216957096).

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

157035978 is a wasteful number, since it uses less digits than its factorization.

157035978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72131 (or 72117 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 157035978 is about 12531.3996823978. The cubic root of 157035978 is about 539.5102761703.

The spelling of 157035978 in words is "one hundred fifty-seven million, thirty-five thousand, nine hundred seventy-eight".