39447046087 has 2 divisors, whose sum is σ = 39447046088. Its totient is φ = 39447046086.

The previous prime is 39447046033. The next prime is 39447046123. The reversal of 39447046087 is 78064074493.

It is a strong prime.

It is an emirp because it is prime and its reverse (78064074493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39447046087 - 2⁷ = 39447045959 is a prime.

It is a super-3 number, since 3×39447046087³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39447046987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19723523043 + 19723523044.

It is an arithmetic number, because the mean of its divisors is an integer number (19723523044).

Almost surely, 2^39447046087 is an apocalyptic number.

39447046087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39447046087 is an equidigital number, since it uses as much as digits as its factorization.

39447046087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 39447046087 in words is "thirty-nine billion, four hundred forty-seven million, forty-six thousand, eighty-seven".