117028837 has 2 divisors, whose sum is σ = 117028838. Its totient is φ = 117028836.

The previous prime is 117028787. The next prime is 117028861. The reversal of 117028837 is 738820711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116661601 + 367236 = 10801^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 117028837 - 2²³ = 108640229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117028796 and 117028805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117028897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58514418 + 58514419.

It is an arithmetic number, because the mean of its divisors is an integer number (58514419).

Almost surely, 2^117028837 is an apocalyptic number.

It is an amenable number.

117028837 is a deficient number, since it is larger than the sum of its proper divisors (1).

117028837 is an equidigital number, since it uses as much as digits as its factorization.

117028837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 117028837 is about 10817.9867350630. The cubic root of 117028837 is about 489.1375039699.

The spelling of 117028837 in words is "one hundred seventeen million, twenty-eight thousand, eight hundred thirty-seven".