78814736010 has 48 divisors (see below), whose sum is σ = 205277323680. Its totient is φ = 20980441440.

The previous prime is 78814735969. The next prime is 78814736029. The reversal of 78814736010 is 1063741887.

It is a super-2 number, since 2×78814736010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715440 + ... + 818219.

It is an arithmetic number, because the mean of its divisors is an integer number (4276610910).

Almost surely, 2^78814736010 is an apocalyptic number.

78814736010 is an abundant number, since it is smaller than the sum of its proper divisors (126462587670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78814736010 is a wasteful number, since it uses less digits than its factorization.

78814736010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534243 (or 1534240 counting only the distinct ones).

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

The spelling of 78814736010 in words is "seventy-eight billion, eight hundred fourteen million, seven hundred thirty-six thousand, ten".