77570770452 has 36 divisors (see below), whose sum is σ = 210549235680. Its totient is φ = 22163077104.

The previous prime is 77570770447. The next prime is 77570770457. The reversal of 77570770452 is 25407707577.

It is an interprime number because it is at equal distance from previous prime (77570770447) and next prime (77570770457).

It is a junction number, because it is equal to n+sod(n) for n = 77570770395 and 77570770404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77570770457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65960952 + ... + 65962127.

It is an arithmetic number, because the mean of its divisors is an integer number (5848589880).

Almost surely, 2^77570770452 is an apocalyptic number.

It is an amenable number.

77570770452 is an abundant number, since it is smaller than the sum of its proper divisors (132978465228).

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

77570770452 is a wasteful number, since it uses less digits than its factorization.

77570770452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131923100 (or 131923091 counting only the distinct ones).

The product of its (nonzero) digits is 3361400, while the sum is 51.

The spelling of 77570770452 in words is "seventy-seven billion, five hundred seventy million, seven hundred seventy thousand, four hundred fifty-two".