776880472 has 16 divisors (see below), whose sum is σ = 1456968240. Its totient is φ = 388355616.

The previous prime is 776880451. The next prime is 776880479. The reversal of 776880472 is 274088677.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776880479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46653 + ... + 61075.

It is an arithmetic number, because the mean of its divisors is an integer number (91060515).

Almost surely, 2^776880472 is an apocalyptic number.

It is an amenable number.

776880472 is a deficient number, since it is larger than the sum of its proper divisors (680087768).

776880472 is a wasteful number, since it uses less digits than its factorization.

776880472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21162 (or 21158 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 776880472 is about 27872.5756255141. The cubic root of 776880472 is about 919.2875990942.

The spelling of 776880472 in words is "seven hundred seventy-six million, eight hundred eighty thousand, four hundred seventy-two".