1027663992 has 24 divisors (see below), whose sum is σ = 2783256840. Its totient is φ = 342554640.

The previous prime is 1027663979. The next prime is 1027663993. The reversal of 1027663992 is 2993667201.

It is a happy number.

1027663992 is a `hidden beast` number, since 1 + 0 + 2 + 7 + 6 + 639 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027663993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7136484 + ... + 7136627.

It is an arithmetic number, because the mean of its divisors is an integer number (115969035).

Almost surely, 2^1027663992 is an apocalyptic number.

1027663992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1027663992 is an abundant number, since it is smaller than the sum of its proper divisors (1755592848).

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

1027663992 is a wasteful number, since it uses less digits than its factorization.

1027663992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14273123 (or 14273116 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 1027663992 is about 32057.1987547259. The cubic root of 1027663992 is about 1009.1375809655.

The spelling of 1027663992 in words is "one billion, twenty-seven million, six hundred sixty-three thousand, nine hundred ninety-two".