68084307090 has 24 divisors (see below), whose sum is σ = 177019198668. Its totient is φ = 18155815200.

The previous prime is 68084307079. The next prime is 68084307103. The reversal of 68084307090 is 9070348086.

It is a happy number.

68084307090 is a `hidden beast` number, since 68 + 0 + 8 + 430 + 70 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55419280569 + 12665026521 = 235413^2 + 112539^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378246061 + ... + 378246240.

Almost surely, 2^68084307090 is an apocalyptic number.

68084307090 is an abundant number, since it is smaller than the sum of its proper divisors (108934891578).

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

68084307090 is a wasteful number, since it uses less digits than its factorization.

68084307090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756492314 (or 756492311 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 68084307090 in words is "sixty-eight billion, eighty-four million, three hundred seven thousand, ninety".