47786961 has 4 divisors (see below), whose sum is σ = 63715952. Its totient is φ = 31857972.

The previous prime is 47786951. The next prime is 47786969. The reversal of 47786961 is 16968774.

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 not a de Polignac number, because 47786961 - 2⁵ = 47786929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47786961.

It is not an unprimeable number, because it can be changed into a prime (47786969) 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, 7964491 + ... + 7964496.

It is an arithmetic number, because the mean of its divisors is an integer number (15928988).

Almost surely, 2^47786961 is an apocalyptic number.

It is an amenable number.

47786961 is a deficient number, since it is larger than the sum of its proper divisors (15928991).

47786961 is a wasteful number, since it uses less digits than its factorization.

47786961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15928990.

The product of its digits is 508032, while the sum is 48.

The square root of 47786961 is about 6912.8113673093. The cubic root of 47786961 is about 362.8856578907.

The spelling of 47786961 in words is "forty-seven million, seven hundred eighty-six thousand, nine hundred sixty-one".