939100087 has 2 divisors, whose sum is σ = 939100088. Its totient is φ = 939100086.

The previous prime is 939100079. The next prime is 939100117. The reversal of 939100087 is 780001939.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 939100087 - 2³ = 939100079 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 (939100007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469550043 + 469550044.

It is an arithmetic number, because the mean of its divisors is an integer number (469550044).

Almost surely, 2^939100087 is an apocalyptic number.

939100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

939100087 is an equidigital number, since it uses as much as digits as its factorization.

939100087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 939100087 is about 30644.7399564754. The cubic root of 939100087 is about 979.2734052618.

The spelling of 939100087 in words is "nine hundred thirty-nine million, one hundred thousand, eighty-seven".