117762077 has 4 divisors (see below), whose sum is σ = 124689276. Its totient is φ = 110834880.

The previous prime is 117762059. The next prime is 117762097. The reversal of 117762077 is 770267711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80478841 + 37283236 = 8971^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 117762077 - 2²⁰ = 116713501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117762077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117762037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463574 + ... + 3463607.

It is an arithmetic number, because the mean of its divisors is an integer number (31172319).

Almost surely, 2^117762077 is an apocalyptic number.

117762077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117762077 is a deficient number, since it is larger than the sum of its proper divisors (6927199).

117762077 is an equidigital number, since it uses as much as digits as its factorization.

117762077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927198.

The product of its (nonzero) digits is 28812, while the sum is 38.

The square root of 117762077 is about 10851.8236716231. The cubic root of 117762077 is about 490.1569357098.

The spelling of 117762077 in words is "one hundred seventeen million, seven hundred sixty-two thousand, seventy-seven".