678962611 has 8 divisors (see below), whose sum is σ = 694172160. Its totient is φ = 663784968.

The previous prime is 678962593. The next prime is 678962629. The reversal of 678962611 is 116269876.

It is an interprime number because it is at equal distance from previous prime (678962593) and next prime (678962629).

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

It is a cyclic number.

It is not a de Polignac number, because 678962611 - 2⁵ = 678962579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678962681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37980 + ... + 52918.

It is an arithmetic number, because the mean of its divisors is an integer number (86771520).

Almost surely, 2^678962611 is an apocalyptic number.

678962611 is a deficient number, since it is larger than the sum of its proper divisors (15209549).

678962611 is a wasteful number, since it uses less digits than its factorization.

678962611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15953.

The product of its digits is 217728, while the sum is 46.

The square root of 678962611 is about 26056.9110026496. The cubic root of 678962611 is about 878.9185281379.

It can be divided in two parts, 67896 and 2611, that added together give a palindrome (70507).

The spelling of 678962611 in words is "six hundred seventy-eight million, nine hundred sixty-two thousand, six hundred eleven".