1077799320 has 768 divisors, whose sum is σ = 4528742400. Its totient is φ = 218972160.

The previous prime is 1077799279. The next prime is 1077799321. The reversal of 1077799320 is 239977701.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077799321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34767705 + ... + 34767735.

It is an arithmetic number, because the mean of its divisors is an integer number (5896800).

Almost surely, 2^1077799320 is an apocalyptic number.

1077799320 is a gapful number since it is divisible by the number (10) 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 1077799320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264371200).

1077799320 is an abundant number, since it is smaller than the sum of its proper divisors (3450943080).

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

1077799320 is a wasteful number, since it uses less digits than its factorization.

1077799320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 1077799320 is about 32829.8540965384. The cubic root of 1077799320 is about 1025.2882219409.

The spelling of 1077799320 in words is "one billion, seventy-seven million, seven hundred ninety-nine thousand, three hundred twenty".