91675420896 has 48 divisors (see below), whose sum is σ = 240706108944. Its totient is φ = 30551092224.

The previous prime is 91675420877. The next prime is 91675420909. The reversal of 91675420896 is 69802457619.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291606 + ... + 518058.

It is an arithmetic number, because the mean of its divisors is an integer number (5014710603).

Almost surely, 2^91675420896 is an apocalyptic number.

91675420896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

91675420896 is an abundant number, since it is smaller than the sum of its proper divisors (149030688048).

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

91675420896 is a wasteful number, since it uses less digits than its factorization.

91675420896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230683 (or 230675 counting only the distinct ones).

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

The spelling of 91675420896 in words is "ninety-one billion, six hundred seventy-five million, four hundred twenty thousand, eight hundred ninety-six".