807681125 has 16 divisors (see below), whose sum is σ = 1021805616. Its totient is φ = 637286400.

The previous prime is 807681113. The next prime is 807681131. The reversal of 807681125 is 521186708.

It can be written as a sum of positive squares in 8 ways, for example, as 106543684 + 701137441 = 10322^2 + 26479^2 .

It is not a de Polignac number, because 807681125 - 2⁴ = 807681109 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 35132 + ... + 53381.

It is an arithmetic number, because the mean of its divisors is an integer number (63862851).

Almost surely, 2^807681125 is an apocalyptic number.

It is an amenable number.

807681125 is a deficient number, since it is larger than the sum of its proper divisors (214124491).

807681125 is an equidigital number, since it uses as much as digits as its factorization.

807681125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88601 (or 88591 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 807681125 is about 28419.7312619243. The cubic root of 807681125 is about 931.2793603644.

The spelling of 807681125 in words is "eight hundred seven million, six hundred eighty-one thousand, one hundred twenty-five".