68670628415 has 8 divisors (see below), whose sum is σ = 82406970528. Its totient is φ = 54935025120.

The previous prime is 68670628409. The next prime is 68670628417. The reversal of 68670628415 is 51482607686.

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 68670628415 - 2¹⁶ = 68670562879 is a prime.

It is a super-2 number, since 2×68670628415² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68670628417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45974 + ... + 373436.

It is an arithmetic number, because the mean of its divisors is an integer number (10300871316).

Almost surely, 2^68670628415 is an apocalyptic number.

68670628415 is a deficient number, since it is larger than the sum of its proper divisors (13736342113).

68670628415 is a wasteful number, since it uses less digits than its factorization.

68670628415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369409.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 68670628415 in words is "sixty-eight billion, six hundred seventy million, six hundred twenty-eight thousand, four hundred fifteen".