117401877 has 18 divisors (see below), whose sum is σ = 170969526. Its totient is φ = 77631120.

The previous prime is 117401873. The next prime is 117401899. The reversal of 117401877 is 778104711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115799121 + 1602756 = 10761^2 + 1266^2 .

It is not a de Polignac number, because 117401877 - 2² = 117401873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117401873) 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 in 17 ways as a sum of consecutive naturals, for example, 400543 + ... + 400835.

It is an arithmetic number, because the mean of its divisors is an integer number (9498307).

Almost surely, 2^117401877 is an apocalyptic number.

It is an amenable number.

117401877 is a deficient number, since it is larger than the sum of its proper divisors (53567649).

117401877 is an equidigital number, since it uses as much as digits as its factorization.

117401877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

The square root of 117401877 is about 10835.2146725388. The cubic root of 117401877 is about 489.6566760650.

The spelling of 117401877 in words is "one hundred seventeen million, four hundred one thousand, eight hundred seventy-seven".