776374552464 has 40 divisors (see below), whose sum is σ = 2292153441600. Its totient is φ = 221821300608.

The previous prime is 776374552463. The next prime is 776374552483. The reversal of 776374552464 is 464255473677.

It is a junction number, because it is equal to n+sod(n) for n = 776374552398 and 776374552407.

It is not an unprimeable number, because it can be changed into a prime (776374552463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155318939 + ... + 1155319610.

It is an arithmetic number, because the mean of its divisors is an integer number (57303836040).

Almost surely, 2^776374552464 is an apocalyptic number.

It is an amenable number.

776374552464 is an abundant number, since it is smaller than the sum of its proper divisors (1515778889136).

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

776374552464 is a wasteful number, since it uses less digits than its factorization.

776374552464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310638567 (or 2310638561 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 60.

The spelling of 776374552464 in words is "seven hundred seventy-six billion, three hundred seventy-four million, five hundred fifty-two thousand, four hundred sixty-four".