77289085 has 8 divisors (see below), whose sum is σ = 96779520. Its totient is φ = 59142864.

The previous prime is 77289077. The next prime is 77289119. The reversal of 77289085 is 58098277.

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 77289085 - 2³ = 77289077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335925 + ... + 336154.

It is an arithmetic number, because the mean of its divisors is an integer number (12097440).

Almost surely, 2^77289085 is an apocalyptic number.

It is an amenable number.

77289085 is a deficient number, since it is larger than the sum of its proper divisors (19490435).

77289085 is a wasteful number, since it uses less digits than its factorization.

77289085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672107.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 77289085 is about 8791.4211024157. The cubic root of 77289085 is about 425.9638286935.

The spelling of 77289085 in words is "seventy-seven million, two hundred eighty-nine thousand, eighty-five".