91610379 has 32 divisors (see below), whose sum is σ = 158423040. Its totient is φ = 51230016.

The previous prime is 91610369. The next prime is 91610411. The reversal of 91610379 is 97301619.

91610379 is a `hidden beast` number, since 9 + 1 + 610 + 37 + 9 = 666.

It is not a de Polignac number, because 91610379 - 2¹¹ = 91608331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91610369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3727 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (4950720).

Almost surely, 2^91610379 is an apocalyptic number.

91610379 is a deficient number, since it is larger than the sum of its proper divisors (66812661).

91610379 is a wasteful number, since it uses less digits than its factorization.

91610379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376 (or 10370 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 91610379 is about 9571.3310986508. The cubic root of 91610379 is about 450.7975633708.

The spelling of 91610379 in words is "ninety-one million, six hundred ten thousand, three hundred seventy-nine".