89750366691 has 4 divisors (see below), whose sum is σ = 119667155592. Its totient is φ = 59833577792.

The previous prime is 89750366687. The next prime is 89750366701. The reversal of 89750366691 is 19666305798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89750366691 - 2² = 89750366687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89750366191) 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, 14958394446 + ... + 14958394451.

It is an arithmetic number, because the mean of its divisors is an integer number (29916788898).

Almost surely, 2^89750366691 is an apocalyptic number.

89750366691 is a deficient number, since it is larger than the sum of its proper divisors (29916788901).

89750366691 is a wasteful number, since it uses less digits than its factorization.

89750366691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29916788900.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 89750366691 in words is "eighty-nine billion, seven hundred fifty million, three hundred sixty-six thousand, six hundred ninety-one".