147398878 has 8 divisors (see below), whose sum is σ = 241198200. Its totient is φ = 66999480.

The previous prime is 147398873. The next prime is 147398887. The reversal of 147398878 is 878893741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147398873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349953 + ... + 3349996.

It is an arithmetic number, because the mean of its divisors is an integer number (30149775).

Almost surely, 2^147398878 is an apocalyptic number.

147398878 is a deficient number, since it is larger than the sum of its proper divisors (93799322).

147398878 is a wasteful number, since it uses less digits than its factorization.

147398878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699962.

The product of its digits is 2709504, while the sum is 55.

The square root of 147398878 is about 12140.7939608577. The cubic root of 147398878 is about 528.2401317239.

The spelling of 147398878 in words is "one hundred forty-seven million, three hundred ninety-eight thousand, eight hundred seventy-eight".