77884331 has 8 divisors (see below), whose sum is σ = 89114880. Its totient is φ = 66679848.

The previous prime is 77884321. The next prime is 77884393. The reversal of 77884331 is 13348877.

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 77884331 - 2⁶ = 77884267 is a prime.

It is a super-2 number, since 2×77884331² = 12131938030635122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77884321) 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, 380 + ... + 12486.

It is an arithmetic number, because the mean of its divisors is an integer number (11139360).

Almost surely, 2^77884331 is an apocalyptic number.

77884331 is a deficient number, since it is larger than the sum of its proper divisors (11230549).

77884331 is a wasteful number, since it uses less digits than its factorization.

77884331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13033.

The product of its digits is 112896, while the sum is 41.

The square root of 77884331 is about 8825.2099691735. The cubic root of 77884331 is about 427.0545610525.

The spelling of 77884331 in words is "seventy-seven million, eight hundred eighty-four thousand, three hundred thirty-one".