89427545778 has 8 divisors (see below), whose sum is σ = 178855091568. Its totient is φ = 29809181924.

The previous prime is 89427545777. The next prime is 89427545849. The reversal of 89427545778 is 87754572498.

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

89427545778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (89427545777) 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, 7452295476 + ... + 7452295487.

It is an arithmetic number, because the mean of its divisors is an integer number (22356886446).

Almost surely, 2^89427545778 is an apocalyptic number.

89427545778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89427545778 is a wasteful number, since it uses less digits than its factorization.

89427545778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904590968.

The product of its digits is 158054400, while the sum is 66.

The spelling of 89427545778 in words is "eighty-nine billion, four hundred twenty-seven million, five hundred forty-five thousand, seven hundred seventy-eight".