5461382978 has 8 divisors (see below), whose sum is σ = 8192391168. Its totient is φ = 2730585924.

The previous prime is 5461382911. The next prime is 5461382989. The reversal of 5461382978 is 8792831645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60575 + ... + 120797.

It is an arithmetic number, because the mean of its divisors is an integer number (1024048896).

Almost surely, 2^5461382978 is an apocalyptic number.

5461382978 is a deficient number, since it is larger than the sum of its proper divisors (2731008190).

5461382978 is a wasteful number, since it uses less digits than its factorization.

5461382978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105568.

The product of its digits is 2903040, while the sum is 53.

The square root of 5461382978 is about 73901.1703425595. The cubic root of 5461382978 is about 1761.0332020986.

The spelling of 5461382978 in words is "five billion, four hundred sixty-one million, three hundred eighty-two thousand, nine hundred seventy-eight".