79135487 has 2 divisors, whose sum is σ = 79135488. Its totient is φ = 79135486.

The previous prime is 79135439. The next prime is 79135499. The reversal of 79135487 is 78453197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79135487 - 2⁶ = 79135423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79155487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39567743 + 39567744.

It is an arithmetic number, because the mean of its divisors is an integer number (39567744).

Almost surely, 2^79135487 is an apocalyptic number.

79135487 is a deficient number, since it is larger than the sum of its proper divisors (1).

79135487 is an equidigital number, since it uses as much as digits as its factorization.

79135487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 79135487 is about 8895.8128914675. The cubic root of 79135487 is about 429.3291992715.

The spelling of 79135487 in words is "seventy-nine million, one hundred thirty-five thousand, four hundred eighty-seven".