78375673323 has 12 divisors (see below), whose sum is σ = 114898997928. Its totient is φ = 51470591040.

The previous prime is 78375673309. The next prime is 78375673361. The reversal of 78375673323 is 32337657387.

78375673323 is a `hidden beast` number, since 78 + 3 + 7 + 567 + 3 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 78375673323 - 2⁴ = 78375673307 is a prime.

It is a super-2 number, since 2×78375673323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78375673323.

It is not an unprimeable number, because it can be changed into a prime (78375674323) 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, 64987518 + ... + 64988723.

It is an arithmetic number, because the mean of its divisors is an integer number (9574916494).

Almost surely, 2^78375673323 is an apocalyptic number.

78375673323 is a deficient number, since it is larger than the sum of its proper divisors (36523324605).

78375673323 is a wasteful number, since it uses less digits than its factorization.

78375673323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129976314 (or 129976311 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 54.

The spelling of 78375673323 in words is "seventy-eight billion, three hundred seventy-five million, six hundred seventy-three thousand, three hundred twenty-three".