2878208654 has 16 divisors (see below), whose sum is σ = 4641235200. Its totient is φ = 1334353464.

The previous prime is 2878208653. The next prime is 2878208687. The reversal of 2878208654 is 4568028782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878208653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803984 + ... + 807555.

It is an arithmetic number, because the mean of its divisors is an integer number (290077200).

Almost surely, 2^2878208654 is an apocalyptic number.

2878208654 is a deficient number, since it is larger than the sum of its proper divisors (1763026546).

2878208654 is a wasteful number, since it uses less digits than its factorization.

2878208654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611607.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 2878208654 is about 53648.9389829846. The cubic root of 2878208654 is about 1422.4622779030.

The spelling of 2878208654 in words is "two billion, eight hundred seventy-eight million, two hundred eight thousand, six hundred fifty-four".