93112091 has 4 divisors (see below), whose sum is σ = 95628672. Its totient is φ = 90595512.

The previous prime is 93112081. The next prime is 93112099. The reversal of 93112091 is 19021139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19021139 = 757 ⋅25127.

It is a cyclic number.

It is not a de Polignac number, because 93112091 - 2¹⁸ = 92849947 is a prime.

It is a super-2 number, since 2×93112091² = 17339722980784562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93112091.

It is not an unprimeable number, because it can be changed into a prime (93112099) 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, 1258235 + ... + 1258308.

It is an arithmetic number, because the mean of its divisors is an integer number (23907168).

Almost surely, 2^93112091 is an apocalyptic number.

93112091 is a deficient number, since it is larger than the sum of its proper divisors (2516581).

93112091 is a wasteful number, since it uses less digits than its factorization.

93112091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516580.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 93112091 is about 9649.4606585031. The cubic root of 93112091 is about 453.2474400537.

The spelling of 93112091 in words is "ninety-three million, one hundred twelve thousand, ninety-one".