78413141 has 6 divisors (see below), whose sum is σ = 81971190. Its totient is φ = 75003368.

The previous prime is 78413107. The next prime is 78413143. The reversal of 78413141 is 14131487.

It can be written as a sum of positive squares in only one way, i.e., 78411025 + 2116 = 8855^2 + 46^2 .

It is not a de Polignac number, because 78413141 - 2¹⁴ = 78396757 is a prime.

It is a super-2 number, since 2×78413141² = 12297241362971762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73586 + ... + 74643.

It is an arithmetic number, because the mean of its divisors is an integer number (13661865).

Almost surely, 2^78413141 is an apocalyptic number.

It is an amenable number.

78413141 is a deficient number, since it is larger than the sum of its proper divisors (3558049).

78413141 is a wasteful number, since it uses less digits than its factorization.

78413141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148275 (or 148252 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 78413141 is about 8855.1194797134. The cubic root of 78413141 is about 428.0189036545.

It can be divided in two parts, 7 and 8413141, that added together give a palindrome (8413148).

The spelling of 78413141 in words is "seventy-eight million, four hundred thirteen thousand, one hundred forty-one".