156730887 has 12 divisors (see below), whose sum is σ = 228393984. Its totient is φ = 103561920.

The previous prime is 156730883. The next prime is 156730897. The reversal of 156730887 is 788037651.

156730887 is a `hidden beast` number, since 1 + 567 + 3 + 0 + 8 + 87 = 666.

It is not a de Polignac number, because 156730887 - 2² = 156730883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156730883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76039 + ... + 78072.

It is an arithmetic number, because the mean of its divisors is an integer number (19032832).

Almost surely, 2^156730887 is an apocalyptic number.

156730887 is a deficient number, since it is larger than the sum of its proper divisors (71663097).

156730887 is a wasteful number, since it uses less digits than its factorization.

156730887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154230 (or 154227 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 156730887 is about 12519.2207025837. The cubic root of 156730887 is about 539.1606610857.

The spelling of 156730887 in words is "one hundred fifty-six million, seven hundred thirty thousand, eight hundred eighty-seven".