59139887 has 2 divisors, whose sum is σ = 59139888. Its totient is φ = 59139886.

The previous prime is 59139851. The next prime is 59139893. The reversal of 59139887 is 78893195.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59139887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59139287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29569943 + 29569944.

It is an arithmetic number, because the mean of its divisors is an integer number (29569944).

Almost surely, 2^59139887 is an apocalyptic number.

59139887 is a deficient number, since it is larger than the sum of its proper divisors (1).

59139887 is an equidigital number, since it uses as much as digits as its factorization.

59139887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 59139887 is about 7690.2462249267. The cubic root of 59139887 is about 389.6070708316.

The spelling of 59139887 in words is "fifty-nine million, one hundred thirty-nine thousand, eight hundred eighty-seven".