728879011715 has 8 divisors (see below), whose sum is σ = 874742787600. Its totient is φ = 583044560352.

The previous prime is 728879011697. The next prime is 728879011739. The reversal of 728879011715 is 517110978827.

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 728879011715 - 2¹⁴ = 728878995331 is a prime.

It is a super-2 number, since 2×728879011715² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7276409 + ... + 7375898.

It is an arithmetic number, because the mean of its divisors is an integer number (109342848450).

Almost surely, 2^728879011715 is an apocalyptic number.

728879011715 is a deficient number, since it is larger than the sum of its proper divisors (145863775885).

728879011715 is a wasteful number, since it uses less digits than its factorization.

728879011715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14662261.

The product of its (nonzero) digits is 1975680, while the sum is 56.

The spelling of 728879011715 in words is "seven hundred twenty-eight billion, eight hundred seventy-nine million, eleven thousand, seven hundred fifteen".