2878838801255 has 16 divisors (see below), whose sum is σ = 3639249237600. Its totient is φ = 2180164008960.

The previous prime is 2878838801227. The next prime is 2878838801257. The reversal of 2878838801255 is 5521088388782.

It is not a de Polignac number, because 2878838801255 - 2²² = 2878834606951 is a prime.

It is a super-2 number, since 2×2878838801255² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2878838801191 and 2878838801200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878838801257) 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, 11632226 + ... + 11877135.

It is an arithmetic number, because the mean of its divisors is an integer number (227453077350).

Almost surely, 2^{2878838801255} is an apocalyptic number.

2878838801255 is a deficient number, since it is larger than the sum of its proper divisors (760410436345).

2878838801255 is a wasteful number, since it uses less digits than its factorization.

2878838801255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23510674.

The product of its (nonzero) digits is 68812800, while the sum is 65.

The spelling of 2878838801255 in words is "two trillion, eight hundred seventy-eight billion, eight hundred thirty-eight million, eight hundred one thousand, two hundred fifty-five".