39472227287 has 2 divisors, whose sum is σ = 39472227288. Its totient is φ = 39472227286.

The previous prime is 39472227269. The next prime is 39472227341. The reversal of 39472227287 is 78272227493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39472227287 - 2⁸ = 39472227031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39472221287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19736113643 + 19736113644.

It is an arithmetic number, because the mean of its divisors is an integer number (19736113644).

Almost surely, 2^39472227287 is an apocalyptic number.

39472227287 is a deficient number, since it is larger than the sum of its proper divisors (1).

39472227287 is an equidigital number, since it uses as much as digits as its factorization.

39472227287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 53.

The spelling of 39472227287 in words is "thirty-nine billion, four hundred seventy-two million, two hundred twenty-seven thousand, two hundred eighty-seven".