88745594781 has 4 divisors (see below), whose sum is σ = 118327459712. Its totient is φ = 59163729852.

The previous prime is 88745594753. The next prime is 88745594789. The reversal of 88745594781 is 18749554788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88745594781 - 2⁷ = 88745594653 is a prime.

It is a super-2 number, since 2×88745594781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88745594789) 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, 14790932461 + ... + 14790932466.

It is an arithmetic number, because the mean of its divisors is an integer number (29581864928).

Almost surely, 2^88745594781 is an apocalyptic number.

It is an amenable number.

88745594781 is a deficient number, since it is larger than the sum of its proper divisors (29581864931).

88745594781 is a wasteful number, since it uses less digits than its factorization.

88745594781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29581864930.

The product of its digits is 90316800, while the sum is 66.

The spelling of 88745594781 in words is "eighty-eight billion, seven hundred forty-five million, five hundred ninety-four thousand, seven hundred eighty-one".