91759996 has 6 divisors (see below), whose sum is σ = 160580000. Its totient is φ = 45879996.

The previous prime is 91759991. The next prime is 91760021. The reversal of 91759996 is 69995719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91759991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11469996 + ... + 11470003.

Almost surely, 2^91759996 is an apocalyptic number.

It is an amenable number.

91759996 is a deficient number, since it is larger than the sum of its proper divisors (68820004).

91759996 is a wasteful number, since it uses less digits than its factorization.

91759996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22940003 (or 22940001 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 55.

The square root of 91759996 is about 9579.1438030755. The cubic root of 91759996 is about 451.0428423271.

The spelling of 91759996 in words is "ninety-one million, seven hundred fifty-nine thousand, nine hundred ninety-six".