2788148654 has 16 divisors (see below), whose sum is σ = 4403393280. Its totient is φ = 1320386040.

The previous prime is 2788148647. The next prime is 2788148669. The reversal of 2788148654 is 4568418872.

It is a junction number, because it is equal to n+sod(n) for n = 2788148596 and 2788148605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255449 + ... + 266139.

It is an arithmetic number, because the mean of its divisors is an integer number (275212080).

Almost surely, 2^2788148654 is an apocalyptic number.

2788148654 is a deficient number, since it is larger than the sum of its proper divisors (1615244626).

2788148654 is a wasteful number, since it uses less digits than its factorization.

2788148654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17575.

The product of its digits is 3440640, while the sum is 53.

The square root of 2788148654 is about 52802.9227789523. The cubic root of 2788148654 is about 1407.4683633245.

The spelling of 2788148654 in words is "two billion, seven hundred eighty-eight million, one hundred forty-eight thousand, six hundred fifty-four".