91082737372 has 12 divisors (see below), whose sum is σ = 173885225976. Its totient is φ = 41401244240.

The previous prime is 91082737337. The next prime is 91082737373. The reversal of 91082737372 is 27373728019.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91082737373) 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 3 ways as a sum of consecutive naturals, for example, 1035031063 + ... + 1035031150.

It is an arithmetic number, because the mean of its divisors is an integer number (14490435498).

Almost surely, 2^91082737372 is an apocalyptic number.

It is an amenable number.

91082737372 is a deficient number, since it is larger than the sum of its proper divisors (82802488604).

91082737372 is a wasteful number, since it uses less digits than its factorization.

91082737372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070062228 (or 2070062226 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 91082737372 in words is "ninety-one billion, eighty-two million, seven hundred thirty-seven thousand, three hundred seventy-two".