117970826 has 4 divisors (see below), whose sum is σ = 176956242. Its totient is φ = 58985412.

The previous prime is 117970819. The next prime is 117970849. The reversal of 117970826 is 628079711.

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

It can be written as a sum of positive squares in only one way, i.e., 77457601 + 40513225 = 8801^2 + 6365^2 .

It is a super-4 number, since 4×117970826⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29492705 + ... + 29492708.

Almost surely, 2^117970826 is an apocalyptic number.

117970826 is a deficient number, since it is larger than the sum of its proper divisors (58985416).

117970826 is an equidigital number, since it uses as much as digits as its factorization.

117970826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58985415.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 117970826 is about 10861.4375659947. The cubic root of 117970826 is about 490.4463876108.

The spelling of 117970826 in words is "one hundred seventeen million, nine hundred seventy thousand, eight hundred twenty-six".