776315442 has 32 divisors (see below), whose sum is σ = 1835625600. Its totient is φ = 214155648.

The previous prime is 776315437. The next prime is 776315473. The reversal of 776315442 is 244513677.

It is a self number, because there is not a number n which added to its sum of digits gives 776315442.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 317467 + ... + 319902.

It is an arithmetic number, because the mean of its divisors is an integer number (57363300).

Almost surely, 2^776315442 is an apocalyptic number.

776315442 is an abundant number, since it is smaller than the sum of its proper divisors (1059310158).

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

776315442 is a wasteful number, since it uses less digits than its factorization.

776315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637410.

The product of its digits is 141120, while the sum is 39.

The square root of 776315442 is about 27862.4378330397. The cubic root of 776315442 is about 919.0646771782.

The spelling of 776315442 in words is "seven hundred seventy-six million, three hundred fifteen thousand, four hundred forty-two".