91462799 has 4 divisors (see below), whose sum is σ = 93408864. Its totient is φ = 89516736.

The previous prime is 91462783. The next prime is 91462801. The reversal of 91462799 is 99726419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99726419 = 13 ⋅7671263.

It is a cyclic number.

It is not a de Polignac number, because 91462799 - 2⁴ = 91462783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1946017 = 91462799 / (9 + 1 + 4 + 6 + 2 + 7 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91462769) 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, 972962 + ... + 973055.

It is an arithmetic number, because the mean of its divisors is an integer number (23352216).

Almost surely, 2^91462799 is an apocalyptic number.

91462799 is a deficient number, since it is larger than the sum of its proper divisors (1946065).

91462799 is a wasteful number, since it uses less digits than its factorization.

91462799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946064.

The product of its digits is 244944, while the sum is 47.

The square root of 91462799 is about 9563.6185097483. The cubic root of 91462799 is about 450.5553620613. Note that the first 3 decimals are identical.

The spelling of 91462799 in words is "ninety-one million, four hundred sixty-two thousand, seven hundred ninety-nine".