91338977094 has 64 divisors (see below), whose sum is σ = 188590685184. Its totient is φ = 29474194176.

The previous prime is 91338977087. The next prime is 91338977101. The reversal of 91338977094 is 49077983319.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91338977087) and next prime (91338977101).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27320787 + ... + 27324129.

It is an arithmetic number, because the mean of its divisors is an integer number (2946729456).

Almost surely, 2^91338977094 is an apocalyptic number.

91338977094 is an abundant number, since it is smaller than the sum of its proper divisors (97251708090).

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

91338977094 is a wasteful number, since it uses less digits than its factorization.

91338977094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 91338977094 in words is "ninety-one billion, three hundred thirty-eight million, nine hundred seventy-seven thousand, ninety-four".