47799691 has 4 divisors (see below), whose sum is σ = 47817000. Its totient is φ = 47782384.

The previous prime is 47799683. The next prime is 47799701. The reversal of 47799691 is 19699774.

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 47799691 - 2³ = 47799683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47799641) 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, 3481 + ... + 10378.

It is an arithmetic number, because the mean of its divisors is an integer number (11954250).

Almost surely, 2^47799691 is an apocalyptic number.

47799691 is a deficient number, since it is larger than the sum of its proper divisors (17309).

47799691 is a wasteful number, since it uses less digits than its factorization.

47799691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308.

The product of its digits is 857304, while the sum is 52.

The square root of 47799691 is about 6913.7320601828. The cubic root of 47799691 is about 362.9178781462.

The spelling of 47799691 in words is "forty-seven million, seven hundred ninety-nine thousand, six hundred ninety-one".