87837273878 has 4 divisors (see below), whose sum is σ = 131755910820. Its totient is φ = 43918636938.

The previous prime is 87837273851. The next prime is 87837273883.

87837273878 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21959318468 + ... + 21959318471.

It is an arithmetic number, because the mean of its divisors is an integer number (32938977705).

Almost surely, 2^87837273878 is an apocalyptic number.

87837273878 is a deficient number, since it is larger than the sum of its proper divisors (43918636942).

87837273878 is a wasteful number, since it uses less digits than its factorization.

87837273878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43918636941.

The product of its digits is 177020928, while the sum is 68.

The spelling of 87837273878 in words is "eighty-seven billion, eight hundred thirty-seven million, two hundred seventy-three thousand, eight hundred seventy-eight".