91088653796 has 48 divisors (see below), whose sum is σ = 195235896576. Its totient is φ = 36331473024.

The previous prime is 91088653793. The next prime is 91088653823. The reversal of 91088653796 is 69735688019.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (91088653793) 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 15 ways as a sum of consecutive naturals, for example, 1887551 + ... + 1935206.

It is an arithmetic number, because the mean of its divisors is an integer number (4067414512).

Almost surely, 2^91088653796 is an apocalyptic number.

It is an amenable number.

91088653796 is an abundant number, since it is smaller than the sum of its proper divisors (104147242780).

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

91088653796 is a wasteful number, since it uses less digits than its factorization.

91088653796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822828 (or 3822826 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 91088653796 in words is "ninety-one billion, eighty-eight million, six hundred fifty-three thousand, seven hundred ninety-six".