78560269 has 8 divisors (see below), whose sum is σ = 84619040. Its totient is φ = 72693936.

The previous prime is 78560267. The next prime is 78560297. The reversal of 78560269 is 96206587.

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 78560269 - 2¹ = 78560267 is a prime.

It is a super-2 number, since 2×78560269² = 12343431730704722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78560267) 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, 47262 + ... + 48895.

It is an arithmetic number, because the mean of its divisors is an integer number (10577380).

Almost surely, 2^78560269 is an apocalyptic number.

It is an amenable number.

78560269 is a deficient number, since it is larger than the sum of its proper divisors (6058771).

78560269 is a wasteful number, since it uses less digits than its factorization.

78560269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96219.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 78560269 is about 8863.4230972012. The cubic root of 78560269 is about 428.2864362786.

The spelling of 78560269 in words is "seventy-eight million, five hundred sixty thousand, two hundred sixty-nine".