91477376 has 32 divisors (see below), whose sum is σ = 185344200. Its totient is φ = 44959744.

The previous prime is 91477367. The next prime is 91477411. The reversal of 91477376 is 67377419.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×91477376² = 16736220639690752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 13608.

Almost surely, 2^91477376 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 91477376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92672100).

91477376 is an abundant number, since it is smaller than the sum of its proper divisors (93866824).

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

91477376 is a wasteful number, since it uses less digits than its factorization.

91477376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186 (or 12174 counting only the distinct ones).

The product of its digits is 222264, while the sum is 44.

The square root of 91477376 is about 9564.3805863213. The cubic root of 91477376 is about 450.5792967346.

The spelling of 91477376 in words is "ninety-one million, four hundred seventy-seven thousand, three hundred seventy-six".