728053350827 has 4 divisors (see below), whose sum is σ = 794240019096. Its totient is φ = 661866682560.

The previous prime is 728053350823. The next prime is 728053350833.

It is a happy number.

728053350827 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 728053350827 - 2² = 728053350823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728053350823) 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, 33093334118 + ... + 33093334139.

It is an arithmetic number, because the mean of its divisors is an integer number (198560004774).

Almost surely, 2^728053350827 is an apocalyptic number.

728053350827 is a deficient number, since it is larger than the sum of its proper divisors (66186668269).

728053350827 is a wasteful number, since it uses less digits than its factorization.

728053350827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66186668268.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 728053350827 in words is "seven hundred twenty-eight billion, fifty-three million, three hundred fifty thousand, eight hundred twenty-seven".