91675093477 has 4 divisors (see below), whose sum is σ = 100009192896. Its totient is φ = 83340994060.

The previous prime is 91675093463. The next prime is 91675093481. The reversal of 91675093477 is 77439057619.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91675093477 - 2¹⁵ = 91675060709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91675093417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167049693 + ... + 4167049714.

It is an arithmetic number, because the mean of its divisors is an integer number (25002298224).

Almost surely, 2^91675093477 is an apocalyptic number.

It is an amenable number.

91675093477 is a deficient number, since it is larger than the sum of its proper divisors (8334099419).

91675093477 is a wasteful number, since it uses less digits than its factorization.

91675093477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334099418.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 91675093477 in words is "ninety-one billion, six hundred seventy-five million, ninety-three thousand, four hundred seventy-seven".