91504038336 has 56 divisors (see below), whose sum is σ = 246207930240. Its totient is φ = 29984370432.

The previous prime is 91504038299. The next prime is 91504038337. The reversal of 91504038336 is 63383040519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91504038337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4027516 + ... + 4050171.

Almost surely, 2^91504038336 is an apocalyptic number.

91504038336 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

91504038336 is an abundant number, since it is smaller than the sum of its proper divisors (154703891904).

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

91504038336 is a wasteful number, since it uses less digits than its factorization.

91504038336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077761 (or 8077751 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 91504038336 in words is "ninety-one billion, five hundred four million, thirty-eight thousand, three hundred thirty-six".