709877540064 has 288 divisors, whose sum is σ = 2369622874752. Its totient is φ = 184001664000.

The previous prime is 709877540059. The next prime is 709877540077. The reversal of 709877540064 is 460045778907.

It is a super-2 number, since 2×709877540064² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 709877539986 and 709877540013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25392334 + ... + 25420274.

It is an arithmetic number, because the mean of its divisors is an integer number (8227857204).

Almost surely, 2^709877540064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709877540064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184811437376).

709877540064 is an abundant number, since it is smaller than the sum of its proper divisors (1659745334688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709877540064 is a wasteful number, since it uses less digits than its factorization.

709877540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28470 (or 28455 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 709877540064 in words is "seven hundred nine billion, eight hundred seventy-seven million, five hundred forty thousand, sixty-four".