608779406502 has 80 divisors (see below), whose sum is σ = 1376132378544. Its totient is φ = 201142656000.

The previous prime is 608779406461. The next prime is 608779406503. The reversal of 608779406502 is 205604977806.

608779406502 is a `hidden beast` number, since 60 + 8 + 7 + 79 + 4 + 0 + 6 + 502 = 666.

It is a super-2 number, since 2×608779406502² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608779406503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18680302 + ... + 18712862.

Almost surely, 2^608779406502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608779406502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688066189272).

608779406502 is an abundant number, since it is smaller than the sum of its proper divisors (767352972042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

608779406502 is a wasteful number, since it uses less digits than its factorization.

608779406502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33587 (or 33578 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 608779406502 in words is "six hundred eight billion, seven hundred seventy-nine million, four hundred six thousand, five hundred two".