78103467801 has 12 divisors (see below), whose sum is σ = 112982770212. Its totient is φ = 51992063136.

The previous prime is 78103467797. The next prime is 78103467811. The reversal of 78103467801 is 10876430187.

78103467801 is a `hidden beast` number, since 7 + 8 + 103 + 467 + 80 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66267115776 + 11836352025 = 257424^2 + 108795^2 .

It is not a de Polignac number, because 78103467801 - 2² = 78103467797 is a prime.

It is a super-2 number, since 2×78103467801² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78103467811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6403186 + ... + 6415371.

It is an arithmetic number, because the mean of its divisors is an integer number (9415230851).

Almost surely, 2^78103467801 is an apocalyptic number.

It is an amenable number.

78103467801 is a deficient number, since it is larger than the sum of its proper divisors (34879302411).

78103467801 is a wasteful number, since it uses less digits than its factorization.

78103467801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819240 (or 12819237 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

Adding to 78103467801 its reverse (10876430187), we get a palindrome (88979897988).

The spelling of 78103467801 in words is "seventy-eight billion, one hundred three million, four hundred sixty-seven thousand, eight hundred one".