117863437 has 2 divisors, whose sum is σ = 117863438. Its totient is φ = 117863436.

The previous prime is 117863419. The next prime is 117863461. The reversal of 117863437 is 734368711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63266116 + 54597321 = 7954^2 + 7389^2 .

It is a cyclic number.

It is not a de Polignac number, because 117863437 - 2¹⁹ = 117339149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117863437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117563437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58931718 + 58931719.

It is an arithmetic number, because the mean of its divisors is an integer number (58931719).

Almost surely, 2^117863437 is an apocalyptic number.

It is an amenable number.

117863437 is a deficient number, since it is larger than the sum of its proper divisors (1).

117863437 is an equidigital number, since it uses as much as digits as its factorization.

117863437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 117863437 is about 10856.4928499032. The cubic root of 117863437 is about 490.2975244316.

The spelling of 117863437 in words is "one hundred seventeen million, eight hundred sixty-three thousand, four hundred thirty-seven".