77327925 has 24 divisors (see below), whose sum is σ = 130574976. Its totient is φ = 40362240.

The previous prime is 77327911. The next prime is 77327941. The reversal of 77327925 is 52972377.

It is not a de Polignac number, because 77327925 - 2⁵ = 77327893 is a prime.

It is a super-3 number, since 3×77327925³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7444 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (5440624).

Almost surely, 2^77327925 is an apocalyptic number.

77327925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77327925 is a deficient number, since it is larger than the sum of its proper divisors (53247051).

77327925 is a wasteful number, since it uses less digits than its factorization.

77327925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997 (or 21992 counting only the distinct ones).

The product of its digits is 185220, while the sum is 42.

The square root of 77327925 is about 8793.6297966198. The cubic root of 77327925 is about 426.0351697914.

The spelling of 77327925 in words is "seventy-seven million, three hundred twenty-seven thousand, nine hundred twenty-five".