978448102 has 8 divisors (see below), whose sum is σ = 1515016512. Its totient is φ = 473442600.

The previous prime is 978448099. The next prime is 978448103. The reversal of 978448102 is 201844879.

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 (978448103) 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, 7890649 + ... + 7890772.

It is an arithmetic number, because the mean of its divisors is an integer number (189377064).

Almost surely, 2^978448102 is an apocalyptic number.

978448102 is a deficient number, since it is larger than the sum of its proper divisors (536568410).

978448102 is a wasteful number, since it uses less digits than its factorization.

978448102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781454.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 978448102 is about 31280.1550827358. The cubic root of 978448102 is about 992.7637976781.

The spelling of 978448102 in words is "nine hundred seventy-eight million, four hundred forty-eight thousand, one hundred two".