867297915 has 128 divisors (see below), whose sum is σ = 1786060800. Its totient is φ = 395176320.

The previous prime is 867297913. The next prime is 867297947. The reversal of 867297915 is 519792768.

It is not a de Polignac number, because 867297915 - 2¹ = 867297913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867297911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2288196 + ... + 2288574.

It is an arithmetic number, because the mean of its divisors is an integer number (13953600).

Almost surely, 2^867297915 is an apocalyptic number.

867297915 is an abundant number, since it is smaller than the sum of its proper divisors (918762885).

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

867297915 is a wasteful number, since it uses less digits than its factorization.

867297915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 867297915 is about 29449.9221560941. The cubic root of 867297915 is about 953.6509244599.

The spelling of 867297915 in words is "eight hundred sixty-seven million, two hundred ninety-seven thousand, nine hundred fifteen".