867747090 has 64 divisors (see below), whose sum is σ = 2413670400. Its totient is φ = 195545280.

The previous prime is 867747073. The next prime is 867747091. The reversal of 867747090 is 90747768.

It is not an unprimeable number, because it can be changed into a prime (867747091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14190 + ... + 44009.

It is an arithmetic number, because the mean of its divisors is an integer number (37713600).

Almost surely, 2^867747090 is an apocalyptic number.

867747090 is an abundant number, since it is smaller than the sum of its proper divisors (1545923310).

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

867747090 is a wasteful number, since it uses less digits than its factorization.

867747090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58287.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 867747090 is about 29457.5472502379. The cubic root of 867747090 is about 953.8155285016.

The spelling of 867747090 in words is "eight hundred sixty-seven million, seven hundred forty-seven thousand, ninety".