47774039 has 2 divisors, whose sum is σ = 47774040. Its totient is φ = 47774038.

The previous prime is 47774017. The next prime is 47774057. The reversal of 47774039 is 93047774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47774039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47773987 and 47774005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47774009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23887019 + 23887020.

It is an arithmetic number, because the mean of its divisors is an integer number (23887020).

Almost surely, 2^47774039 is an apocalyptic number.

47774039 is a deficient number, since it is larger than the sum of its proper divisors (1).

47774039 is an equidigital number, since it uses as much as digits as its factorization.

47774039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 47774039 is about 6911.8766626727. The cubic root of 47774039 is about 362.8529458209.

The spelling of 47774039 in words is "forty-seven million, seven hundred seventy-four thousand, thirty-nine".