2978514877 has 16 divisors (see below), whose sum is σ = 3280999680. Its totient is φ = 2687055552.

The previous prime is 2978514863. The next prime is 2978514953. The reversal of 2978514877 is 7784158792.

2978514877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978514877 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 (2978514827) 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, 121468 + ... + 143914.

It is an arithmetic number, because the mean of its divisors is an integer number (205062480).

Almost surely, 2^2978514877 is an apocalyptic number.

It is an amenable number.

2978514877 is a deficient number, since it is larger than the sum of its proper divisors (302484803).

2978514877 is a wasteful number, since it uses less digits than its factorization.

2978514877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22692.

The product of its digits is 7902720, while the sum is 58.

The square root of 2978514877 is about 54575.7718864333. The cubic root of 2978514877 is about 1438.7983282843.

The spelling of 2978514877 in words is "two billion, nine hundred seventy-eight million, five hundred fourteen thousand, eight hundred seventy-seven".