78199950603 has 4 divisors (see below), whose sum is σ = 104266600808. Its totient is φ = 52133300400.

The previous prime is 78199950601. The next prime is 78199950671. The reversal of 78199950603 is 30605999187.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 78199950603 - 2¹ = 78199950601 is a prime.

It is a super-2 number, since 2×78199950603² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78199950601) 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, 13033325098 + ... + 13033325103.

It is an arithmetic number, because the mean of its divisors is an integer number (26066650202).

Almost surely, 2^78199950603 is an apocalyptic number.

78199950603 is a deficient number, since it is larger than the sum of its proper divisors (26066650205).

78199950603 is a wasteful number, since it uses less digits than its factorization.

78199950603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26066650204.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 78199950603 in words is "seventy-eight billion, one hundred ninety-nine million, nine hundred fifty thousand, six hundred three".