91372677412 has 6 divisors (see below), whose sum is σ = 159902185478. Its totient is φ = 45686338704.

The previous prime is 91372677379. The next prime is 91372677437. The reversal of 91372677412 is 21477627319.

It can be written as a sum of positive squares in only one way, i.e., 69794242596 + 21578434816 = 264186^2 + 146896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421584673 + ... + 11421584680.

Almost surely, 2^91372677412 is an apocalyptic number.

It is an amenable number.

91372677412 is a deficient number, since it is larger than the sum of its proper divisors (68529508066).

91372677412 is a wasteful number, since it uses less digits than its factorization.

91372677412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22843169357 (or 22843169355 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The spelling of 91372677412 in words is "ninety-one billion, three hundred seventy-two million, six hundred seventy-seven thousand, four hundred twelve".