1379778472858 has 8 divisors (see below), whose sum is σ = 2069865548928. Its totient is φ = 689823289884.

The previous prime is 1379778472811. The next prime is 1379778472871. The reversal of 1379778472858 is 8582748779731.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32947116 + ... + 32988967.

It is an arithmetic number, because the mean of its divisors is an integer number (258733193616).

Almost surely, 2^{1379778472858} is an apocalyptic number.

1379778472858 is a deficient number, since it is larger than the sum of its proper divisors (690087076070).

1379778472858 is a wasteful number, since it uses less digits than its factorization.

1379778472858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65946548.

The product of its digits is 1327656960, while the sum is 76.

The spelling of 1379778472858 in words is "one trillion, three hundred seventy-nine billion, seven hundred seventy-eight million, four hundred seventy-two thousand, eight hundred fifty-eight".