47015783 has 2 divisors, whose sum is σ = 47015784. Its totient is φ = 47015782.

The previous prime is 47015779. The next prime is 47015791. The reversal of 47015783 is 38751074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47015783 - 2² = 47015779 is a prime.

It is a super-2 number, since 2×47015783² = 4420967702206178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47015713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23507891 + 23507892.

It is an arithmetic number, because the mean of its divisors is an integer number (23507892).

Almost surely, 2^47015783 is an apocalyptic number.

47015783 is a deficient number, since it is larger than the sum of its proper divisors (1).

47015783 is an equidigital number, since it uses as much as digits as its factorization.

47015783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 47015783 is about 6856.8055973609. The cubic root of 47015783 is about 360.9229993100.

The spelling of 47015783 in words is "forty-seven million, fifteen thousand, seven hundred eighty-three".