68874412515 has 8 divisors (see below), whose sum is σ = 110199060048. Its totient is φ = 36733020000.

The previous prime is 68874412447. The next prime is 68874412531. The reversal of 68874412515 is 51521447886.

It is a happy number.

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

It is not a de Polignac number, because 68874412515 - 2¹¹ = 68874410467 is a prime.

It is a super-3 number, since 3×68874412515³ (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 7 ways as a sum of consecutive naturals, for example, 2295813736 + ... + 2295813765.

It is an arithmetic number, because the mean of its divisors is an integer number (13774882506).

Almost surely, 2^68874412515 is an apocalyptic number.

68874412515 is a deficient number, since it is larger than the sum of its proper divisors (41324647533).

68874412515 is a wasteful number, since it uses less digits than its factorization.

68874412515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591627509.

The product of its digits is 2150400, while the sum is 51.

The spelling of 68874412515 in words is "sixty-eight billion, eight hundred seventy-four million, four hundred twelve thousand, five hundred fifteen".