172968200699 has 4 divisors (see below), whose sum is σ = 197677943664. Its totient is φ = 148258457736.

The previous prime is 172968200623. The next prime is 172968200729. The reversal of 172968200699 is 996002869271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996002869271 = 23 ⋅43304472577.

It is a cyclic number.

It is not a de Polignac number, because 172968200699 - 2²⁸ = 172699765243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172968200099) 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, 12354871472 + ... + 12354871485.

It is an arithmetic number, because the mean of its divisors is an integer number (49419485916).

Almost surely, 2^172968200699 is an apocalyptic number.

172968200699 is a deficient number, since it is larger than the sum of its proper divisors (24709742965).

172968200699 is an equidigital number, since it uses as much as digits as its factorization.

172968200699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709742964.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 172968200699 in words is "one hundred seventy-two billion, nine hundred sixty-eight million, two hundred thousand, six hundred ninety-nine".