1077907992 has 64 divisors (see below), whose sum is σ = 3099429120. Its totient is φ = 306004608.

The previous prime is 1077907991. The next prime is 1077907997. The reversal of 1077907992 is 2997097701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077907991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5943 + ... + 46809.

It is an arithmetic number, because the mean of its divisors is an integer number (48428580).

Almost surely, 2^1077907992 is an apocalyptic number.

1077907992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1077907992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549714560).

1077907992 is an abundant number, since it is smaller than the sum of its proper divisors (2021521128).

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

1077907992 is a wasteful number, since it uses less digits than its factorization.

1077907992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41040 (or 41036 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 51.

The square root of 1077907992 is about 32831.5091337575. The cubic root of 1077907992 is about 1025.3226799255.

The spelling of 1077907992 in words is "one billion, seventy-seven million, nine hundred seven thousand, nine hundred ninety-two".