78107387041 has 4 divisors (see below), whose sum is σ = 78111825300. Its totient is φ = 78102948784.

The previous prime is 78107386997. The next prime is 78107387063. The reversal of 78107387041 is 14078370187.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39585081600 + 38522305441 = 198960^2 + 196271^2 .

It is a cyclic number.

It is not a de Polignac number, because 78107387041 - 2⁹ = 78107386529 is a prime.

It is a super-2 number, since 2×78107387041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78107386982 and 78107387000.

It is not an unprimeable number, because it can be changed into a prime (78107387341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192626 + ... + 2227963.

It is an arithmetic number, because the mean of its divisors is an integer number (19527956325).

Almost surely, 2^78107387041 is an apocalyptic number.

It is an amenable number.

78107387041 is a deficient number, since it is larger than the sum of its proper divisors (4438259).

78107387041 is a wasteful number, since it uses less digits than its factorization.

78107387041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438258.

The product of its (nonzero) digits is 263424, while the sum is 46.

The spelling of 78107387041 in words is "seventy-eight billion, one hundred seven million, three hundred eighty-seven thousand, forty-one".