78497411 has 8 divisors (see below), whose sum is σ = 81516624. Its totient is φ = 75530880.

The previous prime is 78497389. The next prime is 78497431. The reversal of 78497411 is 11479487.

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 78497411 - 2¹⁰ = 78496387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (78497431) 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, 10121 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (10189578).

Almost surely, 2^78497411 is an apocalyptic number.

78497411 is a deficient number, since it is larger than the sum of its proper divisors (3019213).

78497411 is a wasteful number, since it uses less digits than its factorization.

78497411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26341.

The product of its digits is 56448, while the sum is 41.

The square root of 78497411 is about 8859.8764664074. The cubic root of 78497411 is about 428.1721783020.

The spelling of 78497411 in words is "seventy-eight million, four hundred ninety-seven thousand, four hundred eleven".