775824242 has 16 divisors (see below), whose sum is σ = 1182600000. Its totient is φ = 381647280.

The previous prime is 775824233. The next prime is 775824277. The reversal of 775824242 is 242428577.

It is a self number, because there is not a number n which added to its sum of digits gives 775824242.

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, 65384 + ... + 76332.

It is an arithmetic number, because the mean of its divisors is an integer number (73912500).

Almost surely, 2^775824242 is an apocalyptic number.

775824242 is a deficient number, since it is larger than the sum of its proper divisors (406775758).

775824242 is a wasteful number, since it uses less digits than its factorization.

775824242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521.

The product of its digits is 250880, while the sum is 41.

The square root of 775824242 is about 27853.6217034697. The cubic root of 775824242 is about 918.8707955878.

The spelling of 775824242 in words is "seven hundred seventy-five million, eight hundred twenty-four thousand, two hundred forty-two".