2078877663 has 16 divisors (see below), whose sum is σ = 3099441760. Its totient is φ = 1377088128.

The previous prime is 2078877643. The next prime is 2078877667. The reversal of 2078877663 is 3667788702.

It is not a de Polignac number, because 2078877663 - 2¹⁸ = 2078615519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078877667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240970 + ... + 249447.

It is an arithmetic number, because the mean of its divisors is an integer number (193715110).

Almost surely, 2^2078877663 is an apocalyptic number.

2078877663 is a deficient number, since it is larger than the sum of its proper divisors (1020564097).

2078877663 is a wasteful number, since it uses less digits than its factorization.

2078877663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490583 (or 490577 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 2078877663 is about 45594.7109103677. The cubic root of 2078877663 is about 1276.2712248514.

The spelling of 2078877663 in words is "two billion, seventy-eight million, eight hundred seventy-seven thousand, six hundred sixty-three".