91542524792 has 8 divisors (see below), whose sum is σ = 171642234000. Its totient is φ = 45771262392.

The previous prime is 91542524737. The next prime is 91542524809. The reversal of 91542524792 is 29742524519.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 91542524792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721407792 + ... + 5721407807.

It is an arithmetic number, because the mean of its divisors is an integer number (21455279250).

Almost surely, 2^91542524792 is an apocalyptic number.

It is an amenable number.

91542524792 is a deficient number, since it is larger than the sum of its proper divisors (80099709208).

91542524792 is a wasteful number, since it uses less digits than its factorization.

91542524792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442815605 (or 11442815601 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The spelling of 91542524792 in words is "ninety-one billion, five hundred forty-two million, five hundred twenty-four thousand, seven hundred ninety-two".