776796480 has 280 divisors, whose sum is σ = 2885553792. Its totient is φ = 197987328.

The previous prime is 776796479. The next prime is 776796499. The reversal of 776796480 is 84697677.

776796480 is a `hidden beast` number, since 7 + 76 + 7 + 96 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 595509 + ... + 596811.

Almost surely, 2^776796480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776796480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442776896).

776796480 is an abundant number, since it is smaller than the sum of its proper divisors (2108757312).

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

776796480 is a wasteful number, since it uses less digits than its factorization.

776796480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 776796480 is about 27871.0688707843. The cubic root of 776796480 is about 919.2544684778.

The spelling of 776796480 in words is "seven hundred seventy-six million, seven hundred ninety-six thousand, four hundred eighty".