47380999 has 2 divisors, whose sum is σ = 47381000. Its totient is φ = 47380998.

The previous prime is 47380987. The next prime is 47381017. The reversal of 47380999 is 99908374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47380999 - 2¹³ = 47372807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47380499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23690499 + 23690500.

It is an arithmetic number, because the mean of its divisors is an integer number (23690500).

Almost surely, 2^47380999 is an apocalyptic number.

47380999 is a deficient number, since it is larger than the sum of its proper divisors (1).

47380999 is an equidigital number, since it uses as much as digits as its factorization.

47380999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 47380999 is about 6883.3857221574. The cubic root of 47380999 is about 361.8551331660.

The spelling of 47380999 in words is "forty-seven million, three hundred eighty thousand, nine hundred ninety-nine".