78469369 has 8 divisors (see below), whose sum is σ = 85979520. Its totient is φ = 71022000.

The previous prime is 78469333. The next prime is 78469381. The reversal of 78469369 is 96396487.

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 78469369 - 2¹⁷ = 78338297 is a prime.

It is a super-2 number, since 2×78469369² = 12314883742516322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78469319) 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, 13057 + ... + 18094.

It is an arithmetic number, because the mean of its divisors is an integer number (10747440).

Almost surely, 2^78469369 is an apocalyptic number.

It is an amenable number.

78469369 is a deficient number, since it is larger than the sum of its proper divisors (7510151).

78469369 is a wasteful number, since it uses less digits than its factorization.

78469369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391.

The product of its digits is 1959552, while the sum is 52.

The square root of 78469369 is about 8858.2937973404. The cubic root of 78469369 is about 428.1211862413.

The spelling of 78469369 in words is "seventy-eight million, four hundred sixty-nine thousand, three hundred sixty-nine".