916552287 has 32 divisors (see below), whose sum is σ = 1553446400. Its totient is φ = 523200384.

The previous prime is 916552283. The next prime is 916552309. The reversal of 916552287 is 782255619.

916552287 is a `hidden beast` number, since 9 + 16 + 552 + 2 + 87 = 666.

It is not a de Polignac number, because 916552287 - 2² = 916552283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916552283) 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, 243264 + ... + 247002.

It is an arithmetic number, because the mean of its divisors is an integer number (48545200).

Almost surely, 2^916552287 is an apocalyptic number.

916552287 is a deficient number, since it is larger than the sum of its proper divisors (636894113).

916552287 is a wasteful number, since it uses less digits than its factorization.

916552287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052 (or 5046 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 916552287 is about 30274.6145640205. The cubic root of 916552287 is about 971.3723752722.

The spelling of 916552287 in words is "nine hundred sixteen million, five hundred fifty-two thousand, two hundred eighty-seven".