89596778401 has 4 divisors (see below), whose sum is σ = 96488838292. Its totient is φ = 82704718512.

The previous prime is 89596778377. The next prime is 89596778413. The reversal of 89596778401 is 10487769598.

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 33169151376 + 56427627025 = 182124^2 + 237545^2 .

It is not a de Polignac number, because 89596778401 - 2⁷ = 89596778273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89596778431) 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, 3446029926 + ... + 3446029951.

It is an arithmetic number, because the mean of its divisors is an integer number (24122209573).

Almost surely, 2^89596778401 is an apocalyptic number.

It is an amenable number.

89596778401 is a deficient number, since it is larger than the sum of its proper divisors (6892059891).

89596778401 is a wasteful number, since it uses less digits than its factorization.

89596778401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892059890.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 89596778401 in words is "eighty-nine billion, five hundred ninety-six million, seven hundred seventy-eight thousand, four hundred one".