6877532231 has 4 divisors (see below), whose sum is σ = 7023862752. Its totient is φ = 6731201712.

The previous prime is 6877532209. The next prime is 6877532251. The reversal of 6877532231 is 1322357786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6877532231 is a prime.

It is a super-2 number, since 2×6877532231² = 94600899176887674722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6877532251) 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, 73165190 + ... + 73165283.

It is an arithmetic number, because the mean of its divisors is an integer number (1755965688).

Almost surely, 2^6877532231 is an apocalyptic number.

6877532231 is a deficient number, since it is larger than the sum of its proper divisors (146330521).

6877532231 is a wasteful number, since it uses less digits than its factorization.

6877532231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146330520.

The product of its digits is 423360, while the sum is 44.

The square root of 6877532231 is about 82930.8882805436. Note that the first 3 decimals coincide. The cubic root of 6877532231 is about 1901.7096551574.

The spelling of 6877532231 in words is "six billion, eight hundred seventy-seven million, five hundred thirty-two thousand, two hundred thirty-one".