47620879 has 4 divisors (see below), whose sum is σ = 49691376. Its totient is φ = 45550384.

The previous prime is 47620873. The next prime is 47620883. The reversal of 47620879 is 97802674.

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 47620879 - 2⁷ = 47620751 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 (47620873) 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, 1035214 + ... + 1035259.

It is an arithmetic number, because the mean of its divisors is an integer number (12422844).

Almost surely, 2^47620879 is an apocalyptic number.

47620879 is a deficient number, since it is larger than the sum of its proper divisors (2070497).

47620879 is a wasteful number, since it uses less digits than its factorization.

47620879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070496.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 47620879 is about 6900.7882883045. The cubic root of 47620879 is about 362.4647708927.

The spelling of 47620879 in words is "forty-seven million, six hundred twenty thousand, eight hundred seventy-nine".