8455992515 has 4 divisors (see below), whose sum is σ = 10147191024. Its totient is φ = 6764794008.

The previous prime is 8455992487. The next prime is 8455992641. The reversal of 8455992515 is 5152995548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8455992515 - 2¹⁰ = 8455991491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845599247 + ... + 845599256.

It is an arithmetic number, because the mean of its divisors is an integer number (2536797756).

Almost surely, 2^8455992515 is an apocalyptic number.

8455992515 is a deficient number, since it is larger than the sum of its proper divisors (1691198509).

8455992515 is a wasteful number, since it uses less digits than its factorization.

8455992515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691198508.

The product of its digits is 3240000, while the sum is 53.

The square root of 8455992515 is about 91956.4707619861. The cubic root of 8455992515 is about 2037.2994281844.

The spelling of 8455992515 in words is "eight billion, four hundred fifty-five million, nine hundred ninety-two thousand, five hundred fifteen".