157600987 has 4 divisors (see below), whose sum is σ = 158995800. Its totient is φ = 156206176.

The previous prime is 157600979. The next prime is 157600997. The reversal of 157600987 is 789006751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157600987 - 2³ = 157600979 is a prime.

It is a super-2 number, since 2×157600987² = 49676142206748338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157600957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697237 + ... + 697462.

It is an arithmetic number, because the mean of its divisors is an integer number (39748950).

Almost surely, 2^157600987 is an apocalyptic number.

157600987 is a deficient number, since it is larger than the sum of its proper divisors (1394813).

157600987 is a wasteful number, since it uses less digits than its factorization.

157600987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394812.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 157600987 is about 12553.9231716623. The cubic root of 157600987 is about 540.1565469763.

The spelling of 157600987 in words is "one hundred fifty-seven million, six hundred thousand, nine hundred eighty-seven".