157982706 has 24 divisors (see below), whose sum is σ = 391195584. Its totient is φ = 45137880.

The previous prime is 157982677. The next prime is 157982719. The reversal of 157982706 is 607289751.

157982706 is a `hidden beast` number, since 1 + 579 + 8 + 2 + 70 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626790 + ... + 627041.

It is an arithmetic number, because the mean of its divisors is an integer number (16299816).

Almost surely, 2^157982706 is an apocalyptic number.

157982706 is an abundant number, since it is smaller than the sum of its proper divisors (233212878).

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

157982706 is a wasteful number, since it uses less digits than its factorization.

157982706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253846 (or 1253843 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 157982706 is about 12569.1171527677. The cubic root of 157982706 is about 540.5922925004.

The spelling of 157982706 in words is "one hundred fifty-seven million, nine hundred eighty-two thousand, seven hundred six".