77311325 has 48 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 46033920.

The previous prime is 77311319. The next prime is 77311327. The reversal of 77311325 is 52311377.

It is not a de Polignac number, because 77311325 - 2¹⁰ = 77310301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77311327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37676 + ... + 39674.

It is an arithmetic number, because the mean of its divisors is an integer number (2604000).

Almost surely, 2^77311325 is an apocalyptic number.

It is an amenable number.

77311325 is a deficient number, since it is larger than the sum of its proper divisors (47680675).

77311325 is a wasteful number, since it uses less digits than its factorization.

77311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2041 counting only the distinct ones).

The product of its digits is 4410, while the sum is 29.

The square root of 77311325 is about 8792.6858808899. The cubic root of 77311325 is about 426.0046819267.

The spelling of 77311325 in words is "seventy-seven million, three hundred eleven thousand, three hundred twenty-five".