89923678 has 8 divisors (see below), whose sum is σ = 145261368. Its totient is φ = 41503224.

The previous prime is 89923667. The next prime is 89923679. The reversal of 89923678 is 87632998.

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 (89923679) 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, 1729276 + ... + 1729327.

It is an arithmetic number, because the mean of its divisors is an integer number (18157671).

Almost surely, 2^89923678 is an apocalyptic number.

89923678 is a deficient number, since it is larger than the sum of its proper divisors (55337690).

89923678 is a wasteful number, since it uses less digits than its factorization.

89923678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458618.

The product of its digits is 1306368, while the sum is 52.

The square root of 89923678 is about 9482.8096047532. The cubic root of 89923678 is about 448.0137611366.

It can be divided in two parts, 89923 and 678, that added together give a square (90601 = 301²).

The spelling of 89923678 in words is "eighty-nine million, nine hundred twenty-three thousand, six hundred seventy-eight".