916477331 has 24 divisors (see below), whose sum is σ = 1224250560. Its totient is φ = 676544400.

The previous prime is 916477249. The next prime is 916477399. The reversal of 916477331 is 133774619.

It is a de Polignac number, because none of the positive numbers 2^k-916477331 is a prime.

It is a super-3 number, since 3×916477331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (916477931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34505 + ... + 54986.

It is an arithmetic number, because the mean of its divisors is an integer number (51010440).

Almost surely, 2^916477331 is an apocalyptic number.

916477331 is a deficient number, since it is larger than the sum of its proper divisors (307773229).

916477331 is a wasteful number, since it uses less digits than its factorization.

916477331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89535 (or 89528 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 916477331 is about 30273.3766038742. The cubic root of 916477331 is about 971.3458948143.

The spelling of 916477331 in words is "nine hundred sixteen million, four hundred seventy-seven thousand, three hundred thirty-one".