776475480 has 64 divisors (see below), whose sum is σ = 2541196800. Its totient is φ = 188236160.

The previous prime is 776475463. The next prime is 776475481. The reversal of 776475480 is 84574677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776475481) 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, 292800 + ... + 295439.

It is an arithmetic number, because the mean of its divisors is an integer number (39706200).

Almost surely, 2^776475480 is an apocalyptic number.

It is an amenable number.

776475480 is an abundant number, since it is smaller than the sum of its proper divisors (1764721320).

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

776475480 is a wasteful number, since it uses less digits than its factorization.

776475480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588264 (or 588260 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 776475480 is about 27865.3096160800. The cubic root of 776475480 is about 919.1278281255.

Adding to 776475480 its sum of digits (48), we get a triangular number (776475528 = T₃₉₄₀₇).

The spelling of 776475480 in words is "seven hundred seventy-six million, four hundred seventy-five thousand, four hundred eighty".