34439728797 has 48 divisors (see below), whose sum is σ = 53498856320. Its totient is φ = 22121802432.

The previous prime is 34439728781. The next prime is 34439728819. The reversal of 34439728797 is 79782793443.

34439728797 is a `hidden beast` number, since 34 + 439 + 7 + 2 + 87 + 97 = 666.

It is not a de Polignac number, because 34439728797 - 2⁴ = 34439728781 is a prime.

It is a super-2 number, since 2×34439728797² (a number of 22 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 (34439728097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 907479 + ... + 944667.

Almost surely, 2^34439728797 is an apocalyptic number.

34439728797 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

34439728797 is a deficient number, since it is larger than the sum of its proper divisors (19059127523).

34439728797 is a wasteful number, since it uses less digits than its factorization.

34439728797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344 (or 37332 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 34439728797 in words is "thirty-four billion, four hundred thirty-nine million, seven hundred twenty-eight thousand, seven hundred ninety-seven".