87634722088 has 16 divisors (see below), whose sum is σ = 164327378580. Its totient is φ = 43814087808.

The previous prime is 87634722079. The next prime is 87634722113. The reversal of 87634722088 is 88022743678.

It can be written as a sum of positive squares in 2 ways, for example, as 86576000644 + 1058721444 = 294238^2 + 32538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293445 + ... + 511252.

Almost surely, 2^87634722088 is an apocalyptic number.

It is an amenable number.

87634722088 is a deficient number, since it is larger than the sum of its proper divisors (76692656492).

87634722088 is a wasteful number, since it uses less digits than its factorization.

87634722088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818316 (or 818312 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 87634722088 in words is "eighty-seven billion, six hundred thirty-four million, seven hundred twenty-two thousand, eighty-eight".