78988982434 has 8 divisors (see below), whose sum is σ = 118485480960. Its totient is φ = 39493822116.

The previous prime is 78988982417. The next prime is 78988982441. The reversal of 78988982434 is 43428988987.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170994 + ... + 432685.

It is an arithmetic number, because the mean of its divisors is an integer number (14810685120).

Almost surely, 2^78988982434 is an apocalyptic number.

78988982434 is a deficient number, since it is larger than the sum of its proper divisors (39496498526).

78988982434 is a wasteful number, since it uses less digits than its factorization.

78988982434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669104.

The product of its digits is 222953472, while the sum is 70.

The spelling of 78988982434 in words is "seventy-eight billion, nine hundred eighty-eight million, nine hundred eighty-two thousand, four hundred thirty-four".