68850858290 has 8 divisors (see below), whose sum is σ = 123931544940. Its totient is φ = 27540343312.

The previous prime is 68850858289. The next prime is 68850858331. The reversal of 68850858290 is 9285805886.

It can be written as a sum of positive squares in 2 ways, for example, as 68757755089 + 93103201 = 262217^2 + 9649^2 .

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

It is a super-3 number, since 3×68850858290³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442542905 + ... + 3442542924.

Almost surely, 2^68850858290 is an apocalyptic number.

68850858290 is a deficient number, since it is larger than the sum of its proper divisors (55080686650).

68850858290 is a wasteful number, since it uses less digits than its factorization.

68850858290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885085836.

The product of its (nonzero) digits is 11059200, while the sum is 59.

The spelling of 68850858290 in words is "sixty-eight billion, eight hundred fifty million, eight hundred fifty-eight thousand, two hundred ninety".