78514738767 has 12 divisors (see below), whose sum is σ = 113474022480. Its totient is φ = 52313692608.

The previous prime is 78514738727. The next prime is 78514738777. The reversal of 78514738767 is 76783741587.

78514738767 is a `hidden beast` number, since 7 + 85 + 1 + 473 + 87 + 6 + 7 = 666.

It is not a de Polignac number, because 78514738767 - 2¹⁴ = 78514722383 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78514738727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2438667 + ... + 2470652.

It is an arithmetic number, because the mean of its divisors is an integer number (9456168540).

Almost surely, 2^78514738767 is an apocalyptic number.

78514738767 is a deficient number, since it is larger than the sum of its proper divisors (34959283713).

78514738767 is a wasteful number, since it uses less digits than its factorization.

78514738767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911102 (or 4911099 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 63.

It can be divided in two parts, 78514 and 738767, that added together give a triangular number (817281 = T₁₂₇₈).

The spelling of 78514738767 in words is "seventy-eight billion, five hundred fourteen million, seven hundred thirty-eight thousand, seven hundred sixty-seven".