91792962505 has 16 divisors (see below), whose sum is σ = 110443962384. Its totient is φ = 73239552000.

The previous prime is 91792962433. The next prime is 91792962511. The reversal of 91792962505 is 50526929719.

It can be written as a sum of positive squares in 8 ways, for example, as 55258845184 + 36534117321 = 235072^2 + 191139^2 .

It is not a de Polignac number, because 91792962505 - 2⁹ = 91792961993 is a prime.

It is a super-3 number, since 3×91792962505³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656867 + ... + 8667463.

It is an arithmetic number, because the mean of its divisors is an integer number (6902747649).

Almost surely, 2^91792962505 is an apocalyptic number.

It is an amenable number.

91792962505 is a deficient number, since it is larger than the sum of its proper divisors (18650999879).

91792962505 is a wasteful number, since it uses less digits than its factorization.

91792962505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 91792962505 in words is "ninety-one billion, seven hundred ninety-two million, nine hundred sixty-two thousand, five hundred five".