2015497768 has 16 divisors (see below), whose sum is σ = 3779748000. Its totient is φ = 1007564976.

The previous prime is 2015497739. The next prime is 2015497769. The reversal of 2015497768 is 8677945102.

It is not an unprimeable number, because it can be changed into a prime (2015497769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31063 + ... + 70681.

It is an arithmetic number, because the mean of its divisors is an integer number (236234250).

Almost surely, 2^2015497768 is an apocalyptic number.

It is an amenable number.

2015497768 is a deficient number, since it is larger than the sum of its proper divisors (1764250232).

2015497768 is a wasteful number, since it uses less digits than its factorization.

2015497768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45984 (or 45980 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 2015497768 is about 44894.2954950849. The cubic root of 2015497768 is about 1263.1670074486.

The spelling of 2015497768 in words is "two billion, fifteen million, four hundred ninety-seven thousand, seven hundred sixty-eight".