15879290747 has 2 divisors, whose sum is σ = 15879290748. Its totient is φ = 15879290746.

The previous prime is 15879290743. The next prime is 15879290753. The reversal of 15879290747 is 74709297851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15879290747 - 2² = 15879290743 is a prime.

It is not a weakly prime, because it can be changed into another prime (15879290741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7939645373 + 7939645374.

It is an arithmetic number, because the mean of its divisors is an integer number (7939645374).

Almost surely, 2^15879290747 is an apocalyptic number.

15879290747 is a deficient number, since it is larger than the sum of its proper divisors (1).

15879290747 is an equidigital number, since it uses as much as digits as its factorization.

15879290747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 59.

The spelling of 15879290747 in words is "fifteen billion, eight hundred seventy-nine million, two hundred ninety thousand, seven hundred forty-seven".