820752012625 has 16 divisors (see below), whose sum is σ = 1057340404224. Its totient is φ = 635420910000.

The previous prime is 820752012617. The next prime is 820752012629. The reversal of 820752012625 is 526210257028.

820752012625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 820752012625 - 2³ = 820752012617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820752012629) 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, 105899611 + ... + 105907360.

It is an arithmetic number, because the mean of its divisors is an integer number (66083775264).

Almost surely, 2^820752012625 is an apocalyptic number.

It is an amenable number.

820752012625 is a deficient number, since it is larger than the sum of its proper divisors (236588391599).

820752012625 is a wasteful number, since it uses less digits than its factorization.

820752012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211807017 (or 211807007 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 820752012625 in words is "eight hundred twenty billion, seven hundred fifty-two million, twelve thousand, six hundred twenty-five".