4681181878 has 4 divisors (see below), whose sum is σ = 7021772820. Its totient is φ = 2340590938.

The previous prime is 4681181839. The next prime is 4681181887. The reversal of 4681181878 is 8781811864.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170295468 + ... + 1170295471.

It is an arithmetic number, because the mean of its divisors is an integer number (1755443205).

Almost surely, 2^4681181878 is an apocalyptic number.

4681181878 is a deficient number, since it is larger than the sum of its proper divisors (2340590942).

4681181878 is a wasteful number, since it uses less digits than its factorization.

4681181878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340590941.

The product of its digits is 688128, while the sum is 52.

The square root of 4681181878 is about 68419.1630904676. The cubic root of 4681181878 is about 1672.8301155136.

The spelling of 4681181878 in words is "four billion, six hundred eighty-one million, one hundred eighty-one thousand, eight hundred seventy-eight".