91965080 has 32 divisors (see below), whose sum is σ = 207390240. Its totient is φ = 36702720.

The previous prime is 91965067. The next prime is 91965101. The reversal of 91965080 is 8056919.

It is a super-3 number, since 3×91965080³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17120 + ... + 21840.

It is an arithmetic number, because the mean of its divisors is an integer number (6480945).

Almost surely, 2^91965080 is an apocalyptic number.

It is an amenable number.

91965080 is an abundant number, since it is smaller than the sum of its proper divisors (115425160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91965080 is a wasteful number, since it uses less digits than its factorization.

91965080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 91965080 is about 9589.8425430244. The cubic root of 91965080 is about 451.3786198840.

The spelling of 91965080 in words is "ninety-one million, nine hundred sixty-five thousand, eighty".