87691075040776 has 16 divisors (see below), whose sum is σ = 164850062745600. Its totient is φ = 43731058308624.

The previous prime is 87691075040759. The next prime is 87691075040813. The reversal of 87691075040776 is 67704057019678.

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, 14309898216 + ... + 14309904343.

It is an arithmetic number, because the mean of its divisors is an integer number (10303128921600).

Almost surely, 2^{87691075040776} is an apocalyptic number.

It is an amenable number.

87691075040776 is a deficient number, since it is larger than the sum of its proper divisors (77158987704824).

87691075040776 is a wasteful number, since it uses less digits than its factorization.

87691075040776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28619802948 (or 28619802944 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 67.

The spelling of 87691075040776 in words is "eighty-seven trillion, six hundred ninety-one billion, seventy-five million, forty thousand, seven hundred seventy-six".