91532233047 has 8 divisors (see below), whose sum is σ = 122048760960. Its totient is φ = 61018596920.

The previous prime is 91532233043. The next prime is 91532233097. The reversal of 91532233047 is 74033223519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91532233047 - 2² = 91532233043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91532232996 and 91532233014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91532233043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647979 + ... + 776492.

It is an arithmetic number, because the mean of its divisors is an integer number (15256095120).

Almost surely, 2^91532233047 is an apocalyptic number.

91532233047 is a deficient number, since it is larger than the sum of its proper divisors (30516527913).

91532233047 is a wasteful number, since it uses less digits than its factorization.

91532233047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445893.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 91532233047 in words is "ninety-one billion, five hundred thirty-two million, two hundred thirty-three thousand, forty-seven".