89794278 has 64 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 25456032.

The previous prime is 89794273. The next prime is 89794279. The reversal of 89794278 is 87249798.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89794273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51688 + ... + 53396.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^89794278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89794278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114912000).

89794278 is an abundant number, since it is smaller than the sum of its proper divisors (140029722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89794278 is a wasteful number, since it uses less digits than its factorization.

89794278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1860 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 89794278 is about 9475.9842760528. The cubic root of 89794278 is about 447.7987609946.

The spelling of 89794278 in words is "eighty-nine million, seven hundred ninety-four thousand, two hundred seventy-eight".