91926796455 has 256 divisors, whose sum is σ = 197232537600. Its totient is φ = 40131624960.

The previous prime is 91926796439. The next prime is 91926796459. The reversal of 91926796455 is 55469762919.

91926796455 is a `hidden beast` number, since 9 + 1 + 92 + 6 + 7 + 96 + 455 = 666.

It is not a de Polignac number, because 91926796455 - 2⁴ = 91926796439 is a prime.

Its product of digits (36741600) is a multiple of the sum of its prime divisors (945).

It is a junction number, because it is equal to n+sod(n) for n = 91926796392 and 91926796401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91926796459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 145683990 + ... + 145684620.

It is an arithmetic number, because the mean of its divisors is an integer number (770439600).

Almost surely, 2^91926796455 is an apocalyptic number.

91926796455 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91926796455 is an abundant number, since it is smaller than the sum of its proper divisors (105305741145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91926796455 is a wasteful number, since it uses less digits than its factorization.

91926796455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 945 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 91926796455 in words is "ninety-one billion, nine hundred twenty-six million, seven hundred ninety-six thousand, four hundred fifty-five".