678955233061 has 8 divisors (see below), whose sum is σ = 775974490560. Its totient is φ = 581942388768.

The previous prime is 678955233049. The next prime is 678955233139. The reversal of 678955233061 is 160332559876.

678955233061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 678955233061 - 2⁵ = 678955233029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678955232993 and 678955233011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678955233161) 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, 1374256 + ... + 1801801.

It is an arithmetic number, because the mean of its divisors is an integer number (96996811320).

Almost surely, 2^678955233061 is an apocalyptic number.

It is an amenable number.

678955233061 is a deficient number, since it is larger than the sum of its proper divisors (97019257499).

678955233061 is a wasteful number, since it uses less digits than its factorization.

678955233061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206603.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 678955233061 in words is "six hundred seventy-eight billion, nine hundred fifty-five million, two hundred thirty-three thousand, sixty-one".