47899519 has 2 divisors, whose sum is σ = 47899520. Its totient is φ = 47899518.

The previous prime is 47899493. The next prime is 47899529. The reversal of 47899519 is 91599874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47899519 - 2⁵ = 47899487 is a prime.

It is a super-2 number, since 2×47899519² = 4588727840862722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47899529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23949759 + 23949760.

It is an arithmetic number, because the mean of its divisors is an integer number (23949760).

Almost surely, 2^47899519 is an apocalyptic number.

47899519 is a deficient number, since it is larger than the sum of its proper divisors (1).

47899519 is an equidigital number, since it uses as much as digits as its factorization.

47899519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 52.

The square root of 47899519 is about 6920.9478397110. The cubic root of 47899519 is about 363.1703496102.

The spelling of 47899519 in words is "forty-seven million, eight hundred ninety-nine thousand, five hundred nineteen".