89673454078 has 8 divisors (see below), whose sum is σ = 144857118168. Its totient is φ = 41387748024.

The previous prime is 89673453997. The next prime is 89673454093. The reversal of 89673454078 is 87045437698.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724489476 + ... + 1724489527.

It is an arithmetic number, because the mean of its divisors is an integer number (18107139771).

Almost surely, 2^89673454078 is an apocalyptic number.

89673454078 is a deficient number, since it is larger than the sum of its proper divisors (55183664090).

89673454078 is a wasteful number, since it uses less digits than its factorization.

89673454078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448979018.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 89673454078 in words is "eighty-nine billion, six hundred seventy-three million, four hundred fifty-four thousand, seventy-eight".