87461574158 has 32 divisors (see below), whose sum is σ = 152660505600. Its totient is φ = 36803480544.

The previous prime is 87461574157. The next prime is 87461574163. The reversal of 87461574158 is 85147516478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87461574157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620891 + ... + 748617.

It is an arithmetic number, because the mean of its divisors is an integer number (4770640800).

Almost surely, 2^87461574158 is an apocalyptic number.

87461574158 is a deficient number, since it is larger than the sum of its proper divisors (65198931442).

87461574158 is a wasteful number, since it uses less digits than its factorization.

87461574158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128624.

The product of its digits is 7526400, while the sum is 56.

The spelling of 87461574158 in words is "eighty-seven billion, four hundred sixty-one million, five hundred seventy-four thousand, one hundred fifty-eight".