78297411 has 8 divisors (see below), whose sum is σ = 104474304. Its totient is φ = 52159400.

The previous prime is 78297409. The next prime is 78297421. The reversal of 78297411 is 11479287.

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 78297411 - 2¹ = 78297409 is a prime.

It is a super-2 number, since 2×78297411² = 12260969138605842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78297411.

It is not an unprimeable number, because it can be changed into a prime (78297421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4641 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (13059288).

Almost surely, 2^78297411 is an apocalyptic number.

78297411 is a deficient number, since it is larger than the sum of its proper divisors (26176893).

78297411 is a wasteful number, since it uses less digits than its factorization.

78297411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441.

The product of its digits is 28224, while the sum is 39.

The square root of 78297411 is about 8848.5824288414. The cubic root of 78297411 is about 427.8082288600.

The spelling of 78297411 in words is "seventy-eight million, two hundred ninety-seven thousand, four hundred eleven".