78126411 has 8 divisors (see below), whose sum is σ = 113638464. Its totient is φ = 47349320.

The previous prime is 78126409. The next prime is 78126413. The reversal of 78126411 is 11462187.

It is an interprime number because it is at equal distance from previous prime (78126409) and next prime (78126413).

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 78126411 - 2¹ = 78126409 is a prime.

It is a super-2 number, since 2×78126411² = 12207472191481842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78126413) 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, 1183701 + ... + 1183766.

It is an arithmetic number, because the mean of its divisors is an integer number (14204808).

Almost surely, 2^78126411 is an apocalyptic number.

78126411 is a deficient number, since it is larger than the sum of its proper divisors (35512053).

78126411 is a wasteful number, since it uses less digits than its factorization.

78126411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367481.

The product of its digits is 2688, while the sum is 30.

The square root of 78126411 is about 8838.9145826849. The cubic root of 78126411 is about 427.4965602815.

Adding to 78126411 its reverse (11462187), we get a palindrome (89588598).

The spelling of 78126411 in words is "seventy-eight million, one hundred twenty-six thousand, four hundred eleven".