77532525325 has 24 divisors (see below), whose sum is σ = 96786930240. Its totient is φ = 61610131200.

The previous prime is 77532525307. The next prime is 77532525391. The reversal of 77532525325 is 52352523577.

It is not a de Polignac number, because 77532525325 - 2¹⁷ = 77532394253 is a prime.

It is a super-2 number, since 2×77532525325² (a number of 23 digits) contains 22 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, 2475765 + ... + 2506885.

It is an arithmetic number, because the mean of its divisors is an integer number (4032788760).

Almost surely, 2^77532525325 is an apocalyptic number.

It is an amenable number.

77532525325 is a deficient number, since it is larger than the sum of its proper divisors (19254404915).

77532525325 is a wasteful number, since it uses less digits than its factorization.

77532525325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31797 (or 31792 counting only the distinct ones).

The product of its digits is 2205000, while the sum is 46.

It can be divided in two parts, 7753252 and 5325, that added together give a palindrome (7758577).

The spelling of 77532525325 in words is "seventy-seven billion, five hundred thirty-two million, five hundred twenty-five thousand, three hundred twenty-five".