47079961 has 4 divisors (see below), whose sum is σ = 47537152. Its totient is φ = 46622772.

The previous prime is 47079943. The next prime is 47079997. The reversal of 47079961 is 16997074.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47079961 - 2²⁵ = 13525529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47079061) 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, 228441 + ... + 228646.

It is an arithmetic number, because the mean of its divisors is an integer number (11884288).

Almost surely, 2^47079961 is an apocalyptic number.

It is an amenable number.

47079961 is a deficient number, since it is larger than the sum of its proper divisors (457191).

47079961 is a wasteful number, since it uses less digits than its factorization.

47079961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457190.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 47079961 is about 6861.4838774131. The cubic root of 47079961 is about 361.0871483341.

The spelling of 47079961 in words is "forty-seven million, seventy-nine thousand, nine hundred sixty-one".