47877079 has 4 divisors (see below), whose sum is σ = 48040776. Its totient is φ = 47713384.

The previous prime is 47877077. The next prime is 47877119. The reversal of 47877079 is 97077874.

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

It is a cyclic number.

It is not a de Polignac number, because 47877079 - 2¹ = 47877077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47877077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81409 + ... + 81994.

It is an arithmetic number, because the mean of its divisors is an integer number (12010194).

Almost surely, 2^47877079 is an apocalyptic number.

47877079 is a deficient number, since it is larger than the sum of its proper divisors (163697).

47877079 is a wasteful number, since it uses less digits than its factorization.

47877079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163696.

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 47877079 is about 6919.3264845648. The cubic root of 47877079 is about 363.1136279856.

The spelling of 47877079 in words is "forty-seven million, eight hundred seventy-seven thousand, seventy-nine".