608154923978 has 16 divisors (see below), whose sum is σ = 1042736841600. Its totient is φ = 260591438736.

The previous prime is 608154923923. The next prime is 608154923993. The reversal of 608154923978 is 879329451806.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 608154923978.

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, 3783953 + ... + 3941396.

It is an arithmetic number, because the mean of its divisors is an integer number (65171052600).

It is a 2-persistent number, because it is pandigital, and so is 2⋅608154923978 = 1216309847956, but 3⋅608154923978 = 1824464771934 is not.

Almost surely, 2^608154923978 is an apocalyptic number.

608154923978 is a deficient number, since it is larger than the sum of its proper divisors (434581917622).

608154923978 is a wasteful number, since it uses less digits than its factorization.

608154923978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730981.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 608154923978 in words is "six hundred eight billion, one hundred fifty-four million, nine hundred twenty-three thousand, nine hundred seventy-eight".