117997948 has 6 divisors (see below), whose sum is σ = 206496416. Its totient is φ = 58998972.

The previous prime is 117997931. The next prime is 117997949. The reversal of 117997948 is 849799711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117997949) by changing a digit.

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, 14749740 + ... + 14749747.

Almost surely, 2^117997948 is an apocalyptic number.

It is an amenable number.

117997948 is a deficient number, since it is larger than the sum of its proper divisors (88498468).

117997948 is a wasteful number, since it uses less digits than its factorization.

117997948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29499491 (or 29499489 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 55.

The square root of 117997948 is about 10862.6860398338. The cubic root of 117997948 is about 490.4839699751.

The spelling of 117997948 in words is "one hundred seventeen million, nine hundred ninety-seven thousand, nine hundred forty-eight".