2878732651 has 2 divisors, whose sum is σ = 2878732652. Its totient is φ = 2878732650.

The previous prime is 2878732643. The next prime is 2878732669. The reversal of 2878732651 is 1562378782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2878732651 - 2³ = 2878732643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878732595 and 2878732604.

It is not a weakly prime, because it can be changed into another prime (2878772651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439366325 + 1439366326.

It is an arithmetic number, because the mean of its divisors is an integer number (1439366326).

Almost surely, 2^2878732651 is an apocalyptic number.

2878732651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878732651 is an equidigital number, since it uses as much as digits as its factorization.

2878732651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 2878732651 is about 53653.8223335486. The cubic root of 2878732651 is about 1422.5485955664.

The spelling of 2878732651 in words is "two billion, eight hundred seventy-eight million, seven hundred thirty-two thousand, six hundred fifty-one".