87632988551 has 32 divisors (see below), whose sum is σ = 94118588928. Its totient is φ = 81413291520.

The previous prime is 87632988533. The next prime is 87632988557. The reversal of 87632988551 is 15588923678.

It is a cyclic number.

It is not a de Polignac number, because 87632988551 - 2³⁰ = 86559246727 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 (87632988557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38417531 + ... + 38419811.

It is an arithmetic number, because the mean of its divisors is an integer number (2941205904).

Almost surely, 2^87632988551 is an apocalyptic number.

87632988551 is a deficient number, since it is larger than the sum of its proper divisors (6485600377).

87632988551 is a wasteful number, since it uses less digits than its factorization.

87632988551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its digits is 29030400, while the sum is 62.

The spelling of 87632988551 in words is "eighty-seven billion, six hundred thirty-two million, nine hundred eighty-eight thousand, five hundred fifty-one".