76881025 has 24 divisors (see below), whose sum is σ = 103213880. Its totient is φ = 56471040.

The previous prime is 76880981. The next prime is 76881029. The reversal of 76881025 is 52018867.

It can be written as a sum of positive squares in 12 ways, for example, as 2214144 + 74666881 = 1488^2 + 8641^2 .

It is not a de Polignac number, because 76881025 - 2¹³ = 76872833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76881029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73909 + ... + 74941.

Almost surely, 2^76881025 is an apocalyptic number.

It is an amenable number.

76881025 is a deficient number, since it is larger than the sum of its proper divisors (26332855).

76881025 is a wasteful number, since it uses less digits than its factorization.

76881025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 76881025 is about 8768.1825368773. The cubic root of 76881025 is about 425.2128576188.

The spelling of 76881025 in words is "seventy-six million, eight hundred eighty-one thousand, twenty-five".