157708078 has 16 divisors (see below), whose sum is σ = 258415920. Its totient is φ = 71588800.

The previous prime is 157708039. The next prime is 157708139. The reversal of 157708078 is 870807751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13368 + ... + 22228.

It is an arithmetic number, because the mean of its divisors is an integer number (16150995).

Almost surely, 2^157708078 is an apocalyptic number.

157708078 is a deficient number, since it is larger than the sum of its proper divisors (100707842).

157708078 is a wasteful number, since it uses less digits than its factorization.

157708078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683.

The product of its (nonzero) digits is 109760, while the sum is 43.

The square root of 157708078 is about 12558.1876877199. The cubic root of 157708078 is about 540.2788660231.

The spelling of 157708078 in words is "one hundred fifty-seven million, seven hundred eight thousand, seventy-eight".