706401384278 has 16 divisors (see below), whose sum is σ = 1063240876224. Its totient is φ = 351988380480.

The previous prime is 706401384253. The next prime is 706401384307. The reversal of 706401384278 is 872483104607.

It is a super-3 number, since 3×706401384278³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148626 + ... + 2455482.

It is an arithmetic number, because the mean of its divisors is an integer number (66452554764).

Almost surely, 2^706401384278 is an apocalyptic number.

706401384278 is a deficient number, since it is larger than the sum of its proper divisors (356839491946).

706401384278 is a wasteful number, since it uses less digits than its factorization.

706401384278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310807.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 706401384278 in words is "seven hundred six billion, four hundred one million, three hundred eighty-four thousand, two hundred seventy-eight".