8515485377 has 4 divisors (see below), whose sum is σ = 9731983296. Its totient is φ = 7298987460.

The previous prime is 8515485367. The next prime is 8515485389. The reversal of 8515485377 is 7735845158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8515485377 - 2⁶ = 8515485313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8515485367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608248949 + ... + 608248962.

It is an arithmetic number, because the mean of its divisors is an integer number (2432995824).

Almost surely, 2^8515485377 is an apocalyptic number.

It is an amenable number.

8515485377 is a deficient number, since it is larger than the sum of its proper divisors (1216497919).

8515485377 is a wasteful number, since it uses less digits than its factorization.

8515485377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216497918.

The product of its digits is 4704000, while the sum is 53.

The square root of 8515485377 is about 92279.3876063338. The cubic root of 8515485377 is about 2042.0661318169.

The spelling of 8515485377 in words is "eight billion, five hundred fifteen million, four hundred eighty-five thousand, three hundred seventy-seven".