87767632422 has 24 divisors (see below), whose sum is σ = 190219746600. Its totient is φ = 29247178560.

The previous prime is 87767632409. The next prime is 87767632439. The reversal of 87767632422 is 22423676778.

It is a happy number.

87767632422 is a `hidden beast` number, since 87 + 76 + 76 + 3 + 2 + 422 = 666.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662547 + ... + 783902.

It is an arithmetic number, because the mean of its divisors is an integer number (7925822775).

Almost surely, 2^87767632422 is an apocalyptic number.

87767632422 is an abundant number, since it is smaller than the sum of its proper divisors (102452114178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87767632422 is a wasteful number, since it uses less digits than its factorization.

87767632422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449828 (or 1449825 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The spelling of 87767632422 in words is "eighty-seven billion, seven hundred sixty-seven million, six hundred thirty-two thousand, four hundred twenty-two".