91768376296 has 8 divisors (see below), whose sum is σ = 172065705570. Its totient is φ = 45884188144.

The previous prime is 91768376291. The next prime is 91768376299. The reversal of 91768376296 is 69267386719.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90592572196 + 1175804100 = 300986^2 + 34290^2 .

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

It is not an unprimeable number, because it can be changed into a prime (91768376291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735523511 + ... + 5735523526.

Almost surely, 2^91768376296 is an apocalyptic number.

It is an amenable number.

91768376296 is a deficient number, since it is larger than the sum of its proper divisors (80297329274).

91768376296 is a wasteful number, since it uses less digits than its factorization.

91768376296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471047043 (or 11471047039 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 64.

The spelling of 91768376296 in words is "ninety-one billion, seven hundred sixty-eight million, three hundred seventy-six thousand, two hundred ninety-six".