78312407041 has 24 divisors (see below), whose sum is σ = 88540062624. Its totient is φ = 68690912640.

The previous prime is 78312407039. The next prime is 78312407051. The reversal of 78312407041 is 14070421387.

It is not a de Polignac number, because 78312407041 - 2¹ = 78312407039 is a prime.

It is a super-2 number, since 2×78312407041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78312407021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26428626 + ... + 26431588.

It is an arithmetic number, because the mean of its divisors is an integer number (3689169276).

Almost surely, 2^78312407041 is an apocalyptic number.

It is an amenable number.

78312407041 is a deficient number, since it is larger than the sum of its proper divisors (10227655583).

78312407041 is a wasteful number, since it uses less digits than its factorization.

78312407041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5860 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 78312407041 in words is "seventy-eight billion, three hundred twelve million, four hundred seven thousand, forty-one".