2277977406 has 16 divisors (see below), whose sum is σ = 4556456064. Its totient is φ = 759242264.

The previous prime is 2277977399. The next prime is 2277977423. The reversal of 2277977406 is 6047797722.

It is a congruent number.

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, 66001 + ... + 94403.

It is an arithmetic number, because the mean of its divisors is an integer number (284778504).

Almost surely, 2^2277977406 is an apocalyptic number.

2277977406 is an abundant number, since it is smaller than the sum of its proper divisors (2278478658).

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

2277977406 is a wasteful number, since it uses less digits than its factorization.

2277977406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41775.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The square root of 2277977406 is about 47728.1615610742. The cubic root of 2277977406 is about 1315.7795656167.

The spelling of 2277977406 in words is "two billion, two hundred seventy-seven million, nine hundred seventy-seven thousand, four hundred six".