678462389074 has 16 divisors (see below), whose sum is σ = 1026534620160. Its totient is φ = 336296913120.

The previous prime is 678462389071. The next prime is 678462389131. The reversal of 678462389074 is 470983264876.

It is a super-2 number, since 2×678462389074² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 678462388997 and 678462389015.

It is not an unprimeable number, because it can be changed into a prime (678462389071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075867 + ... + 3289054.

It is an arithmetic number, because the mean of its divisors is an integer number (64158413760).

Almost surely, 2^678462389074 is an apocalyptic number.

678462389074 is a deficient number, since it is larger than the sum of its proper divisors (348072231086).

678462389074 is a wasteful number, since it uses less digits than its factorization.

678462389074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365385.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 678462389074 in words is "six hundred seventy-eight billion, four hundred sixty-two million, three hundred eighty-nine thousand, seventy-four".