77525207000 has 64 divisors (see below), whose sum is σ = 187664536800. Its totient is φ = 29940758400.

The previous prime is 77525206991. The next prime is 77525207003. The reversal of 77525207000 is 70252577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77525207003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307642 + ... + 1365641.

Almost surely, 2^77525207000 is an apocalyptic number.

It is an amenable number.

77525207000 is an abundant number, since it is smaller than the sum of its proper divisors (110139329800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77525207000 is a wasteful number, since it uses less digits than its factorization.

77525207000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673333 (or 2673319 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

Adding to 77525207000 its reverse (70252577), we get a palindrome (77595459577).

The spelling of 77525207000 in words is "seventy-seven billion, five hundred twenty-five million, two hundred seven thousand".