117389077 has 4 divisors (see below), whose sum is σ = 126419020. Its totient is φ = 108359136.

The previous prime is 117389053. The next prime is 117389089. The reversal of 117389077 is 770983711.

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 74891716 + 42497361 = 8654^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 117389077 - 2²³ = 109000469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117389047) 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, 4514952 + ... + 4514977.

It is an arithmetic number, because the mean of its divisors is an integer number (31604755).

Almost surely, 2^117389077 is an apocalyptic number.

It is an amenable number.

117389077 is a deficient number, since it is larger than the sum of its proper divisors (9029943).

117389077 is an equidigital number, since it uses as much as digits as its factorization.

117389077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029942.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 117389077 is about 10834.6239897839. The cubic root of 117389077 is about 489.6388801166.

It can be divided in two parts, 117 and 389077, that multiplied together give a square (45522009 = 6747²).

The spelling of 117389077 in words is "one hundred seventeen million, three hundred eighty-nine thousand, seventy-seven".