47902783 has 2 divisors, whose sum is σ = 47902784. Its totient is φ = 47902782.

The previous prime is 47902769. The next prime is 47902837. The reversal of 47902783 is 38720974.

Together with next prime (47902837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47902783 - 2⁹ = 47902271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47902763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23951391 + 23951392.

It is an arithmetic number, because the mean of its divisors is an integer number (23951392).

Almost surely, 2^47902783 is an apocalyptic number.

47902783 is a deficient number, since it is larger than the sum of its proper divisors (1).

47902783 is an equidigital number, since it uses as much as digits as its factorization.

47902783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47902783 is about 6921.1836415457. The cubic root of 47902783 is about 363.1785985525.

The spelling of 47902783 in words is "forty-seven million, nine hundred two thousand, seven hundred eighty-three".