87849833894878 has 32 divisors (see below), whose sum is σ = 152457102129888. Its totient is φ = 37521904358400.

The previous prime is 87849833894819. The next prime is 87849833894887.

It is a happy number.

87849833894878 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190119813 + ... + 190581328.

It is an arithmetic number, because the mean of its divisors is an integer number (4764284441559).

Almost surely, 2^{87849833894878} is an apocalyptic number.

87849833894878 is a deficient number, since it is larger than the sum of its proper divisors (64607268235010).

87849833894878 is a wasteful number, since it uses less digits than its factorization.

87849833894878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380701788.

The product of its digits is 149824733184, while the sum is 94.

The spelling of 87849833894878 in words is "eighty-seven trillion, eight hundred forty-nine billion, eight hundred thirty-three million, eight hundred ninety-four thousand, eight hundred seventy-eight".