77582338925 has 96 divisors (see below), whose sum is σ = 120638445312. Its totient is φ = 48187975680.

The previous prime is 77582338921. The next prime is 77582338937. The reversal of 77582338925 is 52983328577.

It is a happy number.

It is not a de Polignac number, because 77582338925 - 2² = 77582338921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77582338921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29644217 + ... + 29646833.

It is an arithmetic number, because the mean of its divisors is an integer number (1256650472).

Almost surely, 2^77582338925 is an apocalyptic number.

It is an amenable number.

77582338925 is a deficient number, since it is larger than the sum of its proper divisors (43056106387).

77582338925 is a wasteful number, since it uses less digits than its factorization.

77582338925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2882 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 77582338925 in words is "seventy-seven billion, five hundred eighty-two million, three hundred thirty-eight thousand, nine hundred twenty-five".