877871494 has 4 divisors (see below), whose sum is σ = 1316807244. Its totient is φ = 438935746.

The previous prime is 877871473. The next prime is 877871507. The reversal of 877871494 is 494178778.

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, 219467872 + ... + 219467875.

It is an arithmetic number, because the mean of its divisors is an integer number (329201811).

Almost surely, 2^877871494 is an apocalyptic number.

877871494 is a deficient number, since it is larger than the sum of its proper divisors (438935750).

877871494 is a wasteful number, since it uses less digits than its factorization.

877871494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438935749.

The product of its digits is 3161088, while the sum is 55.

The square root of 877871494 is about 29628.8962669891. The cubic root of 877871494 is about 957.5107290188.

The spelling of 877871494 in words is "eight hundred seventy-seven million, eight hundred seventy-one thousand, four hundred ninety-four".