87513627477 has 8 divisors (see below), whose sum is σ = 119398437664. Its totient is φ = 56985617808.

The previous prime is 87513627451. The next prime is 87513627493. The reversal of 87513627477 is 77472631578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87513627477 - 2¹⁴ = 87513611093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87513697477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339199978 + ... + 339200235.

It is an arithmetic number, because the mean of its divisors is an integer number (14924804708).

Almost surely, 2^87513627477 is an apocalyptic number.

It is an amenable number.

87513627477 is a deficient number, since it is larger than the sum of its proper divisors (31884810187).

87513627477 is a wasteful number, since it uses less digits than its factorization.

87513627477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678400259.

The product of its digits is 13829760, while the sum is 57.

The spelling of 87513627477 in words is "eighty-seven billion, five hundred thirteen million, six hundred twenty-seven thousand, four hundred seventy-seven".