2015709696 has 960 divisors, whose sum is σ = 8579450880. Its totient is φ = 437944320.

The previous prime is 2015709679. The next prime is 2015709701. The reversal of 2015709696 is 6969075102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87639541 + ... + 87639563.

It is an arithmetic number, because the mean of its divisors is an integer number (8936928).

Almost surely, 2^2015709696 is an apocalyptic number.

2015709696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015709696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289725440).

2015709696 is an abundant number, since it is smaller than the sum of its proper divisors (6563741184).

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

2015709696 is a wasteful number, since it uses less digits than its factorization.

2015709696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 2015709696 is about 44896.6557329162. The cubic root of 2015709696 is about 1263.2112795683.

The spelling of 2015709696 in words is "two billion, fifteen million, seven hundred nine thousand, six hundred ninety-six".