117770623 has 2 divisors, whose sum is σ = 117770624. Its totient is φ = 117770622.

The previous prime is 117770617. The next prime is 117770651. The reversal of 117770623 is 326077711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117770623 - 2⁵ = 117770591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117770663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58885311 + 58885312.

It is an arithmetic number, because the mean of its divisors is an integer number (58885312).

Almost surely, 2^117770623 is an apocalyptic number.

117770623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117770623 is an equidigital number, since it uses as much as digits as its factorization.

117770623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 117770623 is about 10852.2174231813. The cubic root of 117770623 is about 490.1687923277.

The spelling of 117770623 in words is "one hundred seventeen million, seven hundred seventy thousand, six hundred twenty-three".