15000782047 has 2 divisors, whose sum is σ = 15000782048. Its totient is φ = 15000782046.

The previous prime is 15000782029. The next prime is 15000782059. The reversal of 15000782047 is 74028700051.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15000782047 - 2¹⁵ = 15000749279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15000782077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500391023 + 7500391024.

It is an arithmetic number, because the mean of its divisors is an integer number (7500391024).

Almost surely, 2^15000782047 is an apocalyptic number.

15000782047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000782047 is an equidigital number, since it uses as much as digits as its factorization.

15000782047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 15000782047 in words is "fifteen billion, seven hundred eighty-two thousand, forty-seven".