8152697815 has 4 divisors (see below), whose sum is σ = 9783237384. Its totient is φ = 6522158248.

The previous prime is 8152697779. The next prime is 8152697831. The reversal of 8152697815 is 5187962518.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5187962518 = 2 ⋅2593981259.

It is a cyclic number.

It is not a de Polignac number, because 8152697815 - 2¹¹ = 8152695767 is a prime.

It is a Duffinian number.

It is a congruent 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, 815269777 + ... + 815269786.

It is an arithmetic number, because the mean of its divisors is an integer number (2445809346).

Almost surely, 2^8152697815 is an apocalyptic number.

8152697815 is a deficient number, since it is larger than the sum of its proper divisors (1630539569).

8152697815 is a wasteful number, since it uses less digits than its factorization.

8152697815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630539568.

The product of its digits is 1209600, while the sum is 52.

The square root of 8152697815 is about 90292.2910053787. The cubic root of 8152697815 is about 2012.6447051538.

The spelling of 8152697815 in words is "eight billion, one hundred fifty-two million, six hundred ninety-seven thousand, eight hundred fifteen".