1077127992 has 48 divisors (see below), whose sum is σ = 2931088680. Its totient is φ = 357336000.

The previous prime is 1077127991. The next prime is 1077128009. The reversal of 1077127992 is 2997217701.

It is a happy number.

It is a super-2 number, since 2×1077127992² = 2320409422299904128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077127991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20259 + ... + 50642.

Almost surely, 2^1077127992 is an apocalyptic number.

1077127992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1077127992 is an abundant number, since it is smaller than the sum of its proper divisors (1853960688).

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

1077127992 is a wasteful number, since it uses less digits than its factorization.

1077127992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71124 (or 71117 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 1077127992 is about 32819.6281514584. The cubic root of 1077127992 is about 1025.0753042434.

The spelling of 1077127992 in words is "one billion, seventy-seven million, one hundred twenty-seven thousand, nine hundred ninety-two".