87692621396 has 6 divisors (see below), whose sum is σ = 153462087450. Its totient is φ = 43846310696.

The previous prime is 87692621389. The next prime is 87692621437. The reversal of 87692621396 is 69312629678.

It can be written as a sum of positive squares in only one way, i.e., 87683500996 + 9120400 = 296114^2 + 3020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10961577671 + ... + 10961577678.

It is an arithmetic number, because the mean of its divisors is an integer number (25577014575).

Almost surely, 2^87692621396 is an apocalyptic number.

It is an amenable number.

87692621396 is a deficient number, since it is larger than the sum of its proper divisors (65769466054).

87692621396 is a wasteful number, since it uses less digits than its factorization.

87692621396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923155353 (or 21923155351 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The spelling of 87692621396 in words is "eighty-seven billion, six hundred ninety-two million, six hundred twenty-one thousand, three hundred ninety-six".