78329000611 has 4 divisors (see below), whose sum is σ = 78330272800. Its totient is φ = 78327728424.

The previous prime is 78329000599. The next prime is 78329000621. The reversal of 78329000611 is 11600092387.

78329000611 = T₂₂₈₅₁₄ + T₂₂₈₅₁₅ + T₂₂₈₅₁₆.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78329000611 - 2¹¹ = 78328998563 is a prime.

It is a super-2 number, since 2×78329000611² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78329000621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538776 + ... + 668533.

It is an arithmetic number, because the mean of its divisors is an integer number (19582568200).

Almost surely, 2^78329000611 is an apocalyptic number.

78329000611 is the 228516-th centered triangular number.

78329000611 is a deficient number, since it is larger than the sum of its proper divisors (1272189).

78329000611 is a wasteful number, since it uses less digits than its factorization.

78329000611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272188.

The product of its (nonzero) digits is 18144, while the sum is 37.

Adding to 78329000611 its reverse (11600092387), we get a palindrome (89929092998).

The spelling of 78329000611 in words is "seventy-eight billion, three hundred twenty-nine million, six hundred eleven", and thus it is an aban number.