79834487 has 2 divisors, whose sum is σ = 79834488. Its totient is φ = 79834486.

The previous prime is 79834481. The next prime is 79834501. The reversal of 79834487 is 78443897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79834487 - 2⁴ = 79834471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79834481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39917243 + 39917244.

It is an arithmetic number, because the mean of its divisors is an integer number (39917244).

Almost surely, 2^79834487 is an apocalyptic number.

79834487 is a deficient number, since it is larger than the sum of its proper divisors (1).

79834487 is an equidigital number, since it uses as much as digits as its factorization.

79834487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 79834487 is about 8935.0146614317. The cubic root of 79834487 is about 430.5895770500.

The spelling of 79834487 in words is "seventy-nine million, eight hundred thirty-four thousand, four hundred eighty-seven".