4877892638 has 4 divisors (see below), whose sum is σ = 7316838960. Its totient is φ = 2438946318.

The previous prime is 4877892619. The next prime is 4877892659. The reversal of 4877892638 is 8362987784.

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, 1219473158 + ... + 1219473161.

It is an arithmetic number, because the mean of its divisors is an integer number (1829209740).

Almost surely, 2^4877892638 is an apocalyptic number.

4877892638 is a deficient number, since it is larger than the sum of its proper divisors (2438946322).

4877892638 is a wasteful number, since it uses less digits than its factorization.

4877892638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438946321.

The product of its digits is 32514048, while the sum is 62.

The square root of 4877892638 is about 69841.9117579122. The cubic root of 4877892638 is about 1695.9410243284.

The spelling of 4877892638 in words is "four billion, eight hundred seventy-seven million, eight hundred ninety-two thousand, six hundred thirty-eight".