91069768254 has 32 divisors (see below), whose sum is σ = 183077360640. Its totient is φ = 30200688000.

The previous prime is 91069768201. The next prime is 91069768261. The reversal of 91069768254 is 45286796019.

It is a junction number, because it is equal to n+sod(n) for n = 91069768194 and 91069768203.

It is a congruent 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, 861939 + ... + 961809.

It is an arithmetic number, because the mean of its divisors is an integer number (5721167520).

Almost surely, 2^91069768254 is an apocalyptic number.

91069768254 is an abundant number, since it is smaller than the sum of its proper divisors (92007592386).

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

91069768254 is a wasteful number, since it uses less digits than its factorization.

91069768254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100656.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 91069768254 in words is "ninety-one billion, sixty-nine million, seven hundred sixty-eight thousand, two hundred fifty-four".