2771428984 has 8 divisors (see below), whose sum is σ = 5196429360. Its totient is φ = 1385714488.

The previous prime is 2771428973. The next prime is 2771429027. The reversal of 2771428984 is 4898241772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2771428984² = 15361637226710544512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173214304 + ... + 173214319.

It is an arithmetic number, because the mean of its divisors is an integer number (649553670).

Almost surely, 2^2771428984 is an apocalyptic number.

It is an amenable number.

2771428984 is a deficient number, since it is larger than the sum of its proper divisors (2425000376).

2771428984 is a wasteful number, since it uses less digits than its factorization.

2771428984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346428629 (or 346428625 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 2771428984 is about 52644.3632690149. The cubic root of 2771428984 is about 1404.6493358737.

The spelling of 2771428984 in words is "two billion, seven hundred seventy-one million, four hundred twenty-eight thousand, nine hundred eighty-four".