189077080 has 16 divisors (see below), whose sum is σ = 425423520. Its totient is φ = 75630816.

The previous prime is 189077059. The next prime is 189077093. The reversal of 189077080 is 80770981.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4726927 = 189077080 / (1 + 8 + 9 + 0 + 7 + 7 + 0 + 8 + 0).

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, 2363424 + ... + 2363503.

It is an arithmetic number, because the mean of its divisors is an integer number (26588970).

Almost surely, 2^189077080 is an apocalyptic number.

189077080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189077080 is an abundant number, since it is smaller than the sum of its proper divisors (236346440).

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

189077080 is a wasteful number, since it uses less digits than its factorization.

189077080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726938 (or 4726934 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 189077080 is about 13750.5301715970. The cubic root of 189077080 is about 573.9573594325.

The spelling of 189077080 in words is "one hundred eighty-nine million, seventy-seven thousand, eighty".