78548998 has 8 divisors (see below), whose sum is σ = 128534760. Its totient is φ = 35704080.

The previous prime is 78548969. The next prime is 78549007. The reversal of 78548998 is 89984587.

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

It is a congruent number.

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, 1785183 + ... + 1785226.

It is an arithmetic number, because the mean of its divisors is an integer number (16066845).

Almost surely, 2^78548998 is an apocalyptic number.

78548998 is a deficient number, since it is larger than the sum of its proper divisors (49985762).

78548998 is a wasteful number, since it uses less digits than its factorization.

78548998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570422.

The product of its digits is 5806080, while the sum is 58.

The square root of 78548998 is about 8862.7872590963. The cubic root of 78548998 is about 428.2659532899.

It can be divided in two parts, 785489 and 98, that added together give a palindrome (785587).

The spelling of 78548998 in words is "seventy-eight million, five hundred forty-eight thousand, nine hundred ninety-eight".