2878407235137 has 32 divisors (see below), whose sum is σ = 4391099596800. Its totient is φ = 1642946497920.

The previous prime is 2878407235133. The next prime is 2878407235153. The reversal of 2878407235137 is 7315327048782.

It is not a de Polignac number, because 2878407235137 - 2² = 2878407235133 is a prime.

It is a super-2 number, since 2×2878407235137² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2878407235133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222728758 + ... + 222741680.

It is an arithmetic number, because the mean of its divisors is an integer number (137221862400).

Almost surely, 2^{2878407235137} is an apocalyptic number.

It is an amenable number.

2878407235137 is a deficient number, since it is larger than the sum of its proper divisors (1512692361663).

2878407235137 is a wasteful number, since it uses less digits than its factorization.

2878407235137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24093.

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 2878407235137 in words is "two trillion, eight hundred seventy-eight billion, four hundred seven million, two hundred thirty-five thousand, one hundred thirty-seven".