842027664 has 20 divisors (see below), whose sum is σ = 2175238256. Its totient is φ = 280675872.

The previous prime is 842027657. The next prime is 842027687. The reversal of 842027664 is 466720248.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8771074 + ... + 8771169.

Almost surely, 2^842027664 is an apocalyptic number.

It is an amenable number.

842027664 is an abundant number, since it is smaller than the sum of its proper divisors (1333210592).

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

842027664 is a wasteful number, since it uses less digits than its factorization.

842027664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17542254 (or 17542248 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 842027664 is about 29017.7129353779. The cubic root of 842027664 is about 944.2973842821.

The spelling of 842027664 in words is "eight hundred forty-two million, twenty-seven thousand, six hundred sixty-four".