23775967085 has 32 divisors (see below), whose sum is σ = 31787072352. Its totient is φ = 16958177280.

The previous prime is 23775967079. The next prime is 23775967177. The reversal of 23775967085 is 58076957732.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 598340521 + 23177626564 = 24461^2 + 152242^2 .

It is not a de Polignac number, because 23775967085 - 2⁸ = 23775966829 is a prime.

It is a super-2 number, since 2×23775967085² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293405 + ... + 365565.

It is an arithmetic number, because the mean of its divisors is an integer number (993346011).

Almost surely, 2^23775967085 is an apocalyptic number.

It is an amenable number.

23775967085 is a deficient number, since it is larger than the sum of its proper divisors (8011105267).

23775967085 is a wasteful number, since it uses less digits than its factorization.

23775967085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72353.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 23775967085 in words is "twenty-three billion, seven hundred seventy-five million, nine hundred sixty-seven thousand, eighty-five".