2979511798 has 4 divisors (see below), whose sum is σ = 4469267700. Its totient is φ = 1489755898.

The previous prime is 2979511789. The next prime is 2979511807. The reversal of 2979511798 is 8971159792.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2979511789) and next prime (2979511807).

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, 744877948 + ... + 744877951.

It is an arithmetic number, because the mean of its divisors is an integer number (1117316925).

Almost surely, 2^2979511798 is an apocalyptic number.

2979511798 is a deficient number, since it is larger than the sum of its proper divisors (1489755902).

2979511798 is a wasteful number, since it uses less digits than its factorization.

2979511798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489755901.

The product of its digits is 2857680, while the sum is 58.

The square root of 2979511798 is about 54584.9044883290. The cubic root of 2979511798 is about 1438.9588342554.

The spelling of 2979511798 in words is "two billion, nine hundred seventy-nine million, five hundred eleven thousand, seven hundred ninety-eight".