725562670777 has 4 divisors (see below), whose sum is σ = 829214480896. Its totient is φ = 621910860660.

The previous prime is 725562670727. The next prime is 725562670799. The reversal of 725562670777 is 777076265527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725562670777 - 2¹¹ = 725562668729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725562670727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51825905049 + ... + 51825905062.

It is an arithmetic number, because the mean of its divisors is an integer number (207303620224).

Almost surely, 2^725562670777 is an apocalyptic number.

It is an amenable number.

725562670777 is a deficient number, since it is larger than the sum of its proper divisors (103651810119).

725562670777 is a wasteful number, since it uses less digits than its factorization.

725562670777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103651810118.

The product of its (nonzero) digits is 60505200, while the sum is 61.

The spelling of 725562670777 in words is "seven hundred twenty-five billion, five hundred sixty-two million, six hundred seventy thousand, seven hundred seventy-seven".