2077154198 has 12 divisors (see below), whose sum is σ = 3624422292. Its totient is φ = 890208900.

The previous prime is 2077154171. The next prime is 2077154213. The reversal of 2077154198 is 8914517702.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10597628 + ... + 10597823.

It is an arithmetic number, because the mean of its divisors is an integer number (302035191).

Almost surely, 2^2077154198 is an apocalyptic number.

2077154198 is a deficient number, since it is larger than the sum of its proper divisors (1547268094).

2077154198 is a wasteful number, since it uses less digits than its factorization.

2077154198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21195467 (or 21195460 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 2077154198 is about 45575.8071568678. The cubic root of 2077154198 is about 1275.9184356265.

The spelling of 2077154198 in words is "two billion, seventy-seven million, one hundred fifty-four thousand, one hundred ninety-eight".