2715987457 has 8 divisors (see below), whose sum is σ = 2810380320. Its totient is φ = 2623014240.

The previous prime is 2715987437. The next prime is 2715987511. The reversal of 2715987457 is 7547895172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2715987457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2715987398 and 2715987407.

It is not an unprimeable number, because it can be changed into a prime (2715987427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351019 + ... + 358672.

It is an arithmetic number, because the mean of its divisors is an integer number (351297540).

Almost surely, 2^2715987457 is an apocalyptic number.

It is an amenable number.

2715987457 is a deficient number, since it is larger than the sum of its proper divisors (94392863).

2715987457 is an equidigital number, since it uses as much as digits as its factorization.

2715987457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709823.

The product of its digits is 4939200, while the sum is 55.

The square root of 2715987457 is about 52115.1365440023. The cubic root of 2715987457 is about 1395.2196580319.

The spelling of 2715987457 in words is "two billion, seven hundred fifteen million, nine hundred eighty-seven thousand, four hundred fifty-seven".