2878732654 has 12 divisors (see below), whose sum is σ = 5023094904. Its totient is φ = 1233742524.

The previous prime is 2878732651. The next prime is 2878732669. The reversal of 2878732654 is 4562378782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878732651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14687314 + ... + 14687509.

It is an arithmetic number, because the mean of its divisors is an integer number (418591242).

Almost surely, 2^2878732654 is an apocalyptic number.

2878732654 is a deficient number, since it is larger than the sum of its proper divisors (2144362250).

2878732654 is a wasteful number, since it uses less digits than its factorization.

2878732654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29374839 (or 29374832 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The square root of 2878732654 is about 53653.8223615056. The cubic root of 2878732654 is about 1422.5485960606.

The spelling of 2878732654 in words is "two billion, eight hundred seventy-eight million, seven hundred thirty-two thousand, six hundred fifty-four".