117522078 has 16 divisors (see below), whose sum is σ = 235462656. Its totient is φ = 39104280.

The previous prime is 117522061. The next prime is 117522079. The reversal of 117522078 is 870225711.

It is a super-2 number, since 2×117522078² = 27622877634876168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117522079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13726 + ... + 20577.

It is an arithmetic number, because the mean of its divisors is an integer number (14716416).

Almost surely, 2^117522078 is an apocalyptic number.

117522078 is an abundant number, since it is smaller than the sum of its proper divisors (117940578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117522078 is a wasteful number, since it uses less digits than its factorization.

117522078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34879.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 117522078 is about 10840.7600287065. The cubic root of 117522078 is about 489.8237294609.

Adding to 117522078 its reverse (870225711), we get a palindrome (987747789).

The spelling of 117522078 in words is "one hundred seventeen million, five hundred twenty-two thousand, seventy-eight".