147888838 has 4 divisors (see below), whose sum is σ = 221833260. Its totient is φ = 73944418.

The previous prime is 147888823. The next prime is 147888841. The reversal of 147888838 is 838888741.

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

It is a super-2 number, since 2×147888838² = 43742216809980488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36972208 + ... + 36972211.

It is an arithmetic number, because the mean of its divisors is an integer number (55458315).

Almost surely, 2^147888838 is an apocalyptic number.

147888838 is a deficient number, since it is larger than the sum of its proper divisors (73944422).

147888838 is an equidigital number, since it uses as much as digits as its factorization.

147888838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73944421.

The product of its digits is 2752512, while the sum is 55.

The square root of 147888838 is about 12160.9554723303. The cubic root of 147888838 is about 528.8247817894.

The spelling of 147888838 in words is "one hundred forty-seven million, eight hundred eighty-eight thousand, eight hundred thirty-eight".