19280772107 has 8 divisors (see below), whose sum is σ = 19751544384. Its totient is φ = 18811017288.

The previous prime is 19280772079. The next prime is 19280772127. The reversal of 19280772107 is 70127708291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19280772107 - 2²⁰ = 19279723531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19280772127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215933 + ... + 291870.

It is an arithmetic number, because the mean of its divisors is an integer number (2468943048).

Almost surely, 2^19280772107 is an apocalyptic number.

19280772107 is a deficient number, since it is larger than the sum of its proper divisors (470772277).

19280772107 is an equidigital number, since it uses as much as digits as its factorization.

19280772107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508729.

The product of its (nonzero) digits is 98784, while the sum is 44.

The spelling of 19280772107 in words is "nineteen billion, two hundred eighty million, seven hundred seventy-two thousand, one hundred seven".