78460146571 has 8 divisors (see below), whose sum is σ = 79755115088. Its totient is φ = 77165460000.

The previous prime is 78460146559. The next prime is 78460146623. The reversal of 78460146571 is 17564106487.

It is a happy number.

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 78460146571 - 2¹⁷ = 78460015499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78460146071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532921 + ... + 664021.

It is an arithmetic number, because the mean of its divisors is an integer number (9969389386).

Almost surely, 2^78460146571 is an apocalyptic number.

78460146571 is a deficient number, since it is larger than the sum of its proper divisors (1294968517).

78460146571 is a wasteful number, since it uses less digits than its factorization.

78460146571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140973.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 78460146571 in words is "seventy-eight billion, four hundred sixty million, one hundred forty-six thousand, five hundred seventy-one".