78410513824 has 24 divisors (see below), whose sum is σ = 155481288480. Its totient is φ = 38923202496.

The previous prime is 78410513767. The next prime is 78410513827. The reversal of 78410513824 is 42831501487.

It is a super-2 number, since 2×78410513824² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78410513827) 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, 8809684 + ... + 8818579.

It is an arithmetic number, because the mean of its divisors is an integer number (6478387020).

Almost surely, 2^78410513824 is an apocalyptic number.

It is an amenable number.

78410513824 is a deficient number, since it is larger than the sum of its proper divisors (77070774656).

78410513824 is a wasteful number, since it uses less digits than its factorization.

78410513824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628412 (or 17628404 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 78410513824 in words is "seventy-eight billion, four hundred ten million, five hundred thirteen thousand, eight hundred twenty-four".