678420074613 has 8 divisors (see below), whose sum is σ = 904565783968. Its totient is φ = 452277207504.

The previous prime is 678420074597. The next prime is 678420074617. The reversal of 678420074613 is 316470024876.

It is a happy number.

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

It is not a de Polignac number, because 678420074613 - 2⁴ = 678420074597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678420074617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71506 + ... + 1167027.

It is an arithmetic number, because the mean of its divisors is an integer number (113070722996).

Almost surely, 2^678420074613 is an apocalyptic number.

It is an amenable number.

678420074613 is a deficient number, since it is larger than the sum of its proper divisors (226145709355).

678420074613 is a wasteful number, since it uses less digits than its factorization.

678420074613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421123.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 678420074613 in words is "six hundred seventy-eight billion, four hundred twenty million, seventy-four thousand, six hundred thirteen".