725079144877 has 4 divisors (see below), whose sum is σ = 727156735900. Its totient is φ = 723001553856.

The previous prime is 725079144871. The next prime is 725079144893. The reversal of 725079144877 is 778441970527.

725079144877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778441970527 = 13 ⋅59880151579.

It can be written as a sum of positive squares in 2 ways, for example, as 458770510276 + 266308634601 = 677326^2 + 516051^2 .

It is a cyclic number.

It is not a de Polignac number, because 725079144877 - 2³ = 725079144869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725079144871) 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, 1038794988 + ... + 1038795685.

It is an arithmetic number, because the mean of its divisors is an integer number (181789183975).

Almost surely, 2^725079144877 is an apocalyptic number.

It is an amenable number.

725079144877 is a deficient number, since it is larger than the sum of its proper divisors (2077591023).

725079144877 is a wasteful number, since it uses less digits than its factorization.

725079144877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077591022.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 725079144877 in words is "seven hundred twenty-five billion, seventy-nine million, one hundred forty-four thousand, eight hundred seventy-seven".