72800000801 has 4 divisors (see below), whose sum is σ = 79418182704. Its totient is φ = 66181818900.

The previous prime is 72800000797. The next prime is 72800000827. The reversal of 72800000801 is 10800000827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72800000801 - 2² = 72800000797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72800000891) 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, 3309090935 + ... + 3309090956.

It is an arithmetic number, because the mean of its divisors is an integer number (19854545676).

Almost surely, 2^72800000801 is an apocalyptic number.

It is an amenable number.

72800000801 is a deficient number, since it is larger than the sum of its proper divisors (6618181903).

72800000801 is a wasteful number, since it uses less digits than its factorization.

72800000801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618181902.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 72800000801 its sum of digits (26), we get a palindrome (72800000827).

The spelling of 72800000801 in words is "seventy-two billion, eight hundred million, eight hundred one", and thus it is an aban number.