787856242 has 16 divisors (see below), whose sum is σ = 1246116960. Its totient is φ = 372555072.

The previous prime is 787856239. The next prime is 787856263. The reversal of 787856242 is 242658787.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 40015.

It is an arithmetic number, because the mean of its divisors is an integer number (77882310).

Almost surely, 2^787856242 is an apocalyptic number.

787856242 is a deficient number, since it is larger than the sum of its proper divisors (458260718).

787856242 is a wasteful number, since it uses less digits than its factorization.

787856242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35577.

The product of its digits is 1505280, while the sum is 49.

The square root of 787856242 is about 28068.7769950883. The cubic root of 787856242 is about 923.5966026138.

The spelling of 787856242 in words is "seven hundred eighty-seven million, eight hundred fifty-six thousand, two hundred forty-two".