87158075157 has 12 divisors (see below), whose sum is σ = 128573615040. Its totient is φ = 56869098408.

The previous prime is 87158075119. The next prime is 87158075171. The reversal of 87158075157 is 75157085178.

87158075157 is a `hidden beast` number, since 8 + 7 + 1 + 580 + 7 + 5 + 1 + 57 = 666.

It is not a de Polignac number, because 87158075157 - 2¹⁶ = 87158009621 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87158075107) by changing a digit.

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, 103023307 + ... + 103024152.

It is an arithmetic number, because the mean of its divisors is an integer number (10714467920).

Almost surely, 2^87158075157 is an apocalyptic number.

It is an amenable number.

87158075157 is a deficient number, since it is larger than the sum of its proper divisors (41415539883).

87158075157 is a wasteful number, since it uses less digits than its factorization.

87158075157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206047512 (or 206047509 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 54.

The spelling of 87158075157 in words is "eighty-seven billion, one hundred fifty-eight million, seventy-five thousand, one hundred fifty-seven".