8515091952 has 50 divisors (see below), whose sum is σ = 24645150288. Its totient is φ = 2838363552.

The previous prime is 8515091951. The next prime is 8515092023. The reversal of 8515091952 is 2591905158.

8515091952 is a `hidden beast` number, since 8 + 51 + 509 + 1 + 95 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8515091898 and 8515091907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8515091951) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3283848 + ... + 3286439.

Almost surely, 2^8515091952 is an apocalyptic number.

It is an amenable number.

8515091952 is an abundant number, since it is smaller than the sum of its proper divisors (16130058336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8515091952 is a wasteful number, since it uses less digits than its factorization.

8515091952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570307 (or 6570292 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The square root of 8515091952 is about 92277.2558759741. The cubic root of 8515091952 is about 2042.0346827487.

The spelling of 8515091952 in words is "eight billion, five hundred fifteen million, ninety-one thousand, nine hundred fifty-two".