810880357372 has 12 divisors (see below), whose sum is σ = 1453651372656. Its totient is φ = 395551393760.

The previous prime is 810880357363. The next prime is 810880357381. The reversal of 810880357372 is 273753088018.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (810880357363) and next prime (810880357381).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2472196048 + ... + 2472196375.

It is an arithmetic number, because the mean of its divisors is an integer number (121137614388).

Almost surely, 2^810880357372 is an apocalyptic number.

810880357372 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

810880357372 is a deficient number, since it is larger than the sum of its proper divisors (642771015284).

810880357372 is a wasteful number, since it uses less digits than its factorization.

810880357372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944392468 (or 4944392466 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 810880357372 in words is "eight hundred ten billion, eight hundred eighty million, three hundred fifty-seven thousand, three hundred seventy-two".