866577640112373 has 12 divisors (see below), whose sum is σ = 1344079605072480. Its totient is φ = 495187222921272.

The previous prime is 866577640112323. The next prime is 866577640112423. The reversal of 866577640112373 is 373211046775668.

It is an interprime number because it is at equal distance from previous prime (866577640112323) and next prime (866577640112423).

It is not a de Polignac number, because 866577640112373 - 2¹⁷ = 866577639981301 is a prime.

It is a super-2 number, since 2×866577640112373² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866577640112323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2947542993433 + ... + 2947542993726.

It is an arithmetic number, because the mean of its divisors is an integer number (112006633756040).

Almost surely, 2^{866577640112373} is an apocalyptic number.

It is an amenable number.

866577640112373 is a deficient number, since it is larger than the sum of its proper divisors (477501964960107).

866577640112373 is a wasteful number, since it uses less digits than its factorization.

866577640112373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895085987176 (or 5895085987169 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 66.

The spelling of 866577640112373 in words is "eight hundred sixty-six trillion, five hundred seventy-seven billion, six hundred forty million, one hundred twelve thousand, three hundred seventy-three".