778486496 has 12 divisors (see below), whose sum is σ = 1532645352. Its totient is φ = 389243232.

The previous prime is 778486481. The next prime is 778486507. The reversal of 778486496 is 694684877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12163820 + ... + 12163883.

It is an arithmetic number, because the mean of its divisors is an integer number (127720446).

Almost surely, 2^778486496 is an apocalyptic number.

It is an amenable number.

778486496 is a deficient number, since it is larger than the sum of its proper divisors (754158856).

778486496 is a wasteful number, since it uses less digits than its factorization.

778486496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24327713 (or 24327705 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 59.

The square root of 778486496 is about 27901.3708623788. The cubic root of 778486496 is about 919.9206358759.

The spelling of 778486496 in words is "seven hundred seventy-eight million, four hundred eighty-six thousand, four hundred ninety-six".