89402088697 has 4 divisors (see below), whose sum is σ = 89534145636. Its totient is φ = 89270031760.

The previous prime is 89402088683. The next prime is 89402088707. The reversal of 89402088697 is 79688020498.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83569559056 + 5832529641 = 289084^2 + 76371^2 .

It is a cyclic number.

It is not a de Polignac number, because 89402088697 - 2⁷ = 89402088569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89402088617) 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, 66027454 + ... + 66028807.

It is an arithmetic number, because the mean of its divisors is an integer number (22383536409).

Almost surely, 2^89402088697 is an apocalyptic number.

It is an amenable number.

89402088697 is a deficient number, since it is larger than the sum of its proper divisors (132056939).

89402088697 is a wasteful number, since it uses less digits than its factorization.

89402088697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132056938.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 89402088697 in words is "eighty-nine billion, four hundred two million, eighty-eight thousand, six hundred ninety-seven".