2978352660 has 24 divisors (see below), whose sum is σ = 8339387616. Its totient is φ = 794227360.

The previous prime is 2978352653. The next prime is 2978352677. The reversal of 2978352660 is 662538792.

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, 24819546 + ... + 24819665.

It is an arithmetic number, because the mean of its divisors is an integer number (347474484).

Almost surely, 2^2978352660 is an apocalyptic number.

2978352660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2978352660 is an abundant number, since it is smaller than the sum of its proper divisors (5361034956).

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

2978352660 is a wasteful number, since it uses less digits than its factorization.

2978352660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49639223 (or 49639221 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 2978352660 is about 54574.2857030672. The cubic root of 2978352660 is about 1438.7722076844.

The spelling of 2978352660 in words is "two billion, nine hundred seventy-eight million, three hundred fifty-two thousand, six hundred sixty".