79850347487 has 2 divisors, whose sum is σ = 79850347488. Its totient is φ = 79850347486.

The previous prime is 79850347483. The next prime is 79850347513. The reversal of 79850347487 is 78474305897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79850347487 - 2² = 79850347483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79850347483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39925173743 + 39925173744.

It is an arithmetic number, because the mean of its divisors is an integer number (39925173744).

Almost surely, 2^79850347487 is an apocalyptic number.

79850347487 is a deficient number, since it is larger than the sum of its proper divisors (1).

79850347487 is an equidigital number, since it uses as much as digits as its factorization.

79850347487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47416320, while the sum is 62.

The spelling of 79850347487 in words is "seventy-nine billion, eight hundred fifty million, three hundred forty-seven thousand, four hundred eighty-seven".