78411403 has 16 divisors (see below), whose sum is σ = 92759040. Its totient is φ = 64886976.

The previous prime is 78411401. The next prime is 78411407. The reversal of 78411403 is 30411487.

It is not a de Polignac number, because 78411403 - 2¹ = 78411401 is a prime.

It is a super-2 number, since 2×78411403² = 12296696240856818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78411401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25326 + ... + 28252.

It is an arithmetic number, because the mean of its divisors is an integer number (5797440).

Almost surely, 2^78411403 is an apocalyptic number.

78411403 is a deficient number, since it is larger than the sum of its proper divisors (14347637).

78411403 is a wasteful number, since it uses less digits than its factorization.

78411403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 78411403 is about 8855.0213438478. The cubic root of 78411403 is about 428.0157413345.

The spelling of 78411403 in words is "seventy-eight million, four hundred eleven thousand, four hundred three".