2878117307 has 16 divisors (see below), whose sum is σ = 3140616192. Its totient is φ = 2621717280.

The previous prime is 2878117279. The next prime is 2878117327. The reversal of 2878117307 is 7037118782.

It is not a de Polignac number, because 2878117307 - 2¹⁸ = 2877855163 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2878117327) 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, 310778 + ... + 319904.

It is an arithmetic number, because the mean of its divisors is an integer number (196288512).

Almost surely, 2^2878117307 is an apocalyptic number.

2878117307 is a deficient number, since it is larger than the sum of its proper divisors (262498885).

2878117307 is a wasteful number, since it uses less digits than its factorization.

2878117307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 2878117307 is about 53648.0876360006. The cubic root of 2878117307 is about 1422.4472293025.

The spelling of 2878117307 in words is "two billion, eight hundred seventy-eight million, one hundred seventeen thousand, three hundred seven".