2177079442 has 16 divisors (see below), whose sum is σ = 3300975000. Its totient is φ = 1076774400.

The previous prime is 2177079427. The next prime is 2177079469. The reversal of 2177079442 is 2449707712.

It can be written as a sum of positive squares in 4 ways, for example, as 2177062281 + 17161 = 46659^2 + 131^2 .

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, 247984 + ... + 256612.

Almost surely, 2^2177079442 is an apocalyptic number.

2177079442 is a deficient number, since it is larger than the sum of its proper divisors (1123895558).

2177079442 is a wasteful number, since it uses less digits than its factorization.

2177079442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 2177079442 is about 46659.1838977066. The cubic root of 2177079442 is about 1296.0589603981.

The spelling of 2177079442 in words is "two billion, one hundred seventy-seven million, seventy-nine thousand, four hundred forty-two".