889878077 has 8 divisors (see below), whose sum is σ = 993352800. Its totient is φ = 790166160.

The previous prime is 889878049. The next prime is 889878127. The reversal of 889878077 is 770878988.

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

It is a cyclic number.

It is not a de Polignac number, because 889878077 - 2⁶ = 889878013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889878047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940202 + ... + 941147.

It is an arithmetic number, because the mean of its divisors is an integer number (124169100).

Almost surely, 2^889878077 is an apocalyptic number.

It is an amenable number.

889878077 is a deficient number, since it is larger than the sum of its proper divisors (103474723).

889878077 is a wasteful number, since it uses less digits than its factorization.

889878077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881403.

The product of its (nonzero) digits is 12644352, while the sum is 62.

The square root of 889878077 is about 29830.8242762415. The cubic root of 889878077 is about 961.8562453491.

The spelling of 889878077 in words is "eight hundred eighty-nine million, eight hundred seventy-eight thousand, seventy-seven".