88635971623 has 4 divisors (see below), whose sum is σ = 88674832288. Its totient is φ = 88597110960.

The previous prime is 88635971617. The next prime is 88635971687. The reversal of 88635971623 is 32617953688.

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 88635971623 - 2⁹ = 88635971111 is a prime.

It is a super-2 number, since 2×88635971623² (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 (88635971023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19426911 + ... + 19431472.

It is an arithmetic number, because the mean of its divisors is an integer number (22168708072).

Almost surely, 2^88635971623 is an apocalyptic number.

88635971623 is a deficient number, since it is larger than the sum of its proper divisors (38860665).

88635971623 is a wasteful number, since it uses less digits than its factorization.

88635971623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38860664.

The product of its digits is 13063680, while the sum is 58.

The spelling of 88635971623 in words is "eighty-eight billion, six hundred thirty-five million, nine hundred seventy-one thousand, six hundred twenty-three".