615675969 has 12 divisors (see below), whose sum is σ = 890896656. Its totient is φ = 409718232.

The previous prime is 615675959. The next prime is 615676031. The reversal of 615675969 is 969576516.

It is not a de Polignac number, because 615675969 - 2²⁵ = 582121537 is a prime.

It is a super-2 number, since 2×615675969² = 758113797608177922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (615675959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55687 + ... + 65820.

It is an arithmetic number, because the mean of its divisors is an integer number (74241388).

Almost surely, 2^615675969 is an apocalyptic number.

It is an amenable number.

615675969 is a deficient number, since it is larger than the sum of its proper divisors (275220687).

615675969 is a wasteful number, since it uses less digits than its factorization.

615675969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122076 (or 122073 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 615675969 is about 24812.8186427903. The cubic root of 615675969 is about 850.7149550978.

The spelling of 615675969 in words is "six hundred fifteen million, six hundred seventy-five thousand, nine hundred sixty-nine".