87632777780758 has 24 divisors (see below), whose sum is σ = 157042964711232. Its totient is φ = 36541853281584.

The previous prime is 87632777780753. The next prime is 87632777780759. The reversal of 87632777780758 is 85708777723678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87632777780753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12083942566 + ... + 12083949817.

It is an arithmetic number, because the mean of its divisors is an integer number (6543456862968).

Almost surely, 2^{87632777780758} is an apocalyptic number.

87632777780758 is a deficient number, since it is larger than the sum of its proper divisors (69410186930474).

87632777780758 is a wasteful number, since it uses less digits than its factorization.

87632777780758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24167892436 (or 24167892429 counting only the distinct ones).

The product of its (nonzero) digits is 10842531840, while the sum is 82.

The spelling of 87632777780758 in words is "eighty-seven trillion, six hundred thirty-two billion, seven hundred seventy-seven million, seven hundred eighty thousand, seven hundred fifty-eight".