117829456 has 30 divisors (see below), whose sum is σ = 231294410. Its totient is φ = 58150464.

The previous prime is 117829447. The next prime is 117829471. The reversal of 117829456 is 654928711.

It can be written as a sum of positive squares in only one way, i.e., 99201600 + 18627856 = 9960^2 + 4316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109690 + ... + 110758.

Almost surely, 2^117829456 is an apocalyptic number.

117829456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117829456 is a deficient number, since it is larger than the sum of its proper divisors (113464954).

117829456 is an equidigital number, since it uses as much as digits as its factorization.

117829456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1154 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 117829456 is about 10854.9277289165. The cubic root of 117829456 is about 490.2504009640.

The spelling of 117829456 in words is "one hundred seventeen million, eight hundred twenty-nine thousand, four hundred fifty-six".