91532260678 has 16 divisors (see below), whose sum is σ = 138533860656. Its totient is φ = 45354426880.

The previous prime is 91532260649. The next prime is 91532260697. The reversal of 91532260678 is 87606223519.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735233 + ... + 1787203.

It is an arithmetic number, because the mean of its divisors is an integer number (8658366291).

Almost surely, 2^91532260678 is an apocalyptic number.

91532260678 is a deficient number, since it is larger than the sum of its proper divisors (47001599978).

91532260678 is a wasteful number, since it uses less digits than its factorization.

91532260678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59879.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 91532260678 in words is "ninety-one billion, five hundred thirty-two million, two hundred sixty thousand, six hundred seventy-eight".