725997799527 has 48 divisors (see below), whose sum is σ = 1322897127552. Its totient is φ = 348130802880.

The previous prime is 725997799511. The next prime is 725997799547.

725997799527 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 725997799527 - 2⁴ = 725997799511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725997799547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17247373 + ... + 17289414.

It is an arithmetic number, because the mean of its divisors is an integer number (27560356824).

Almost surely, 2^725997799527 is an apocalyptic number.

725997799527 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

725997799527 is a deficient number, since it is larger than the sum of its proper divisors (596899328025).

725997799527 is a wasteful number, since it uses less digits than its factorization.

725997799527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34536828 (or 34536821 counting only the distinct ones).

The product of its digits is 1575296100, while the sum is 78.

The spelling of 725997799527 in words is "seven hundred twenty-five billion, nine hundred ninety-seven million, seven hundred ninety-nine thousand, five hundred twenty-seven".