117772366 has 4 divisors (see below), whose sum is σ = 176658552. Its totient is φ = 58886182.

The previous prime is 117772357. The next prime is 117772373. The reversal of 117772366 is 663277711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663277711 = 1259 ⋅526829.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29443090 + ... + 29443093.

It is an arithmetic number, because the mean of its divisors is an integer number (44164638).

Almost surely, 2^117772366 is an apocalyptic number.

117772366 is a deficient number, since it is larger than the sum of its proper divisors (58886186).

117772366 is an equidigital number, since it uses as much as digits as its factorization.

117772366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58886185.

The product of its digits is 74088, while the sum is 40.

The square root of 117772366 is about 10852.2977290526. The cubic root of 117772366 is about 490.1712104746.

The spelling of 117772366 in words is "one hundred seventeen million, seven hundred seventy-two thousand, three hundred sixty-six".