772998912 has 324 divisors, whose sum is σ = 2671761456. Its totient is φ = 214179840.

The previous prime is 772998911. The next prime is 772998929. The reversal of 772998912 is 219899277.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772998911) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4628653 + ... + 4628819.

Almost surely, 2^772998912 is an apocalyptic number.

772998912 is a gapful number since it is divisible by the number (72) 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 772998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335880728).

772998912 is an abundant number, since it is smaller than the sum of its proper divisors (1898762544).

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

772998912 is a wasteful number, since it uses less digits than its factorization.

772998912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 220 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 772998912 is about 27802.8579825888. The cubic root of 772998912 is about 917.7540172810.

The spelling of 772998912 in words is "seven hundred seventy-two million, nine hundred ninety-eight thousand, nine hundred twelve".