92869987491 has 24 divisors (see below), whose sum is σ = 135063152640. Its totient is φ = 61490847600.

The previous prime is 92869987487. The next prime is 92869987499. The reversal of 92869987491 is 19478996829.

It is not a de Polignac number, because 92869987491 - 2² = 92869987487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (92869987499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041880 + ... + 1127498.

It is an arithmetic number, because the mean of its divisors is an integer number (5627631360).

Almost surely, 2^92869987491 is an apocalyptic number.

92869987491 is a deficient number, since it is larger than the sum of its proper divisors (42193165149).

92869987491 is a wasteful number, since it uses less digits than its factorization.

92869987491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86447 (or 86444 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 72.

The spelling of 92869987491 in words is "ninety-two billion, eight hundred sixty-nine million, nine hundred eighty-seven thousand, four hundred ninety-one".