91077413336 has 128 divisors (see below), whose sum is σ = 212146421760. Its totient is φ = 35694950400.

The previous prime is 91077413279. The next prime is 91077413363. The reversal of 91077413336 is 63331477019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37680800 + ... + 37683216.

It is an arithmetic number, because the mean of its divisors is an integer number (1657393920).

Almost surely, 2^91077413336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91077413336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106073210880).

91077413336 is an abundant number, since it is smaller than the sum of its proper divisors (121069008424).

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

91077413336 is a wasteful number, since it uses less digits than its factorization.

91077413336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 91077413336 in words is "ninety-one billion, seventy-seven million, four hundred thirteen thousand, three hundred thirty-six".