728793751357 has 8 divisors (see below), whose sum is σ = 832914682496. Its totient is φ = 624674704752.

The previous prime is 728793751337. The next prime is 728793751409. The reversal of 728793751357 is 753157397827.

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

It is not a de Polignac number, because 728793751357 - 2³⁹ = 179037937469 is a prime.

It is a super-2 number, since 2×728793751357² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728793751337) 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, 487648 + ... + 1302070.

It is an arithmetic number, because the mean of its divisors is an integer number (104114335312).

Almost surely, 2^728793751357 is an apocalyptic number.

It is an amenable number.

728793751357 is a deficient number, since it is larger than the sum of its proper divisors (104120931139).

728793751357 is a wasteful number, since it uses less digits than its factorization.

728793751357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942267.

The product of its digits is 77792400, while the sum is 64.

The spelling of 728793751357 in words is "seven hundred twenty-eight billion, seven hundred ninety-three million, seven hundred fifty-one thousand, three hundred fifty-seven".