715277839081 has 27 divisors (see below), whose sum is σ = 787074918903. Its totient is φ = 649732065840.

The previous prime is 715277839043. The next prime is 715277839091. The reversal of 715277839081 is 180938772517.

The square root of 715277839081 is 845741.

It is a perfect power (a square), and thus also a powerful number.

715277839081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 105810331225 + 609467507856 = 325285^2 + 780684^2 .

It is not a de Polignac number, because 715277839081 - 2¹³ = 715277830889 is a prime.

It is a super-2 number, since 2×715277839081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (715277839091) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 736639926 + ... + 736640896.

Almost surely, 2^715277839081 is an apocalyptic number.

715277839081 is the 845741-st square number.

715277839081 is the 422871-st centered octagonal number.

It is an amenable number.

715277839081 is a deficient number, since it is larger than the sum of its proper divisors (71797079822).

715277839081 is an frugal number, since it uses more digits than its factorization.

715277839081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 715277839081 in words is "seven hundred fifteen billion, two hundred seventy-seven million, eight hundred thirty-nine thousand, eighty-one".