78103036 has 12 divisors (see below), whose sum is σ = 149105880. Its totient is φ = 35501360.

The previous prime is 78103033. The next prime is 78103087. The reversal of 78103036 is 63030187.

It is a super-4 number, since 4×78103036⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 78102995 and 78103013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78103033) 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, 887491 + ... + 887578.

It is an arithmetic number, because the mean of its divisors is an integer number (12425490).

Almost surely, 2^78103036 is an apocalyptic number.

It is an amenable number.

78103036 is a deficient number, since it is larger than the sum of its proper divisors (71002844).

78103036 is a wasteful number, since it uses less digits than its factorization.

78103036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775084 (or 1775082 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 78103036 is about 8837.5922060253. The cubic root of 78103036 is about 427.4539211418.

The spelling of 78103036 in words is "seventy-eight million, one hundred three thousand, thirty-six".