27765025023 has 16 divisors (see below), whose sum is σ = 38664919296. Its totient is φ = 17689045440.

The previous prime is 27765025021. The next prime is 27765025031. The reversal of 27765025023 is 32052056772.

It is not a de Polignac number, because 27765025023 - 2¹ = 27765025021 is a prime.

It is a super-2 number, since 2×27765025023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27765025021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107713 + ... + 259098.

It is an arithmetic number, because the mean of its divisors is an integer number (2416557456).

Almost surely, 2^27765025023 is an apocalyptic number.

27765025023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27765025023 is a deficient number, since it is larger than the sum of its proper divisors (10899894273).

27765025023 is a wasteful number, since it uses less digits than its factorization.

27765025023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367934.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 27765025023 in words is "twenty-seven billion, seven hundred sixty-five million, twenty-five thousand, twenty-three".