78930208007 has 4 divisors (see below), whose sum is σ = 90205952016. Its totient is φ = 67654464000.

The previous prime is 78930208001. The next prime is 78930208009. The reversal of 78930208007 is 70080203987.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70080203987 = 79817 ⋅878011.

It is a cyclic number.

It is not a de Polignac number, because 78930208007 - 2¹⁶ = 78930142471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78930208001) 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, 5637871994 + ... + 5637872007.

It is an arithmetic number, because the mean of its divisors is an integer number (22551488004).

Almost surely, 2^78930208007 is an apocalyptic number.

78930208007 is a deficient number, since it is larger than the sum of its proper divisors (11275744009).

78930208007 is a wasteful number, since it uses less digits than its factorization.

78930208007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275744008.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 78930208007 in words is "seventy-eight billion, nine hundred thirty million, two hundred eight thousand, seven".