711536220738 has 54 divisors (see below), whose sum is σ = 1793424841299. Its totient is φ = 203288905512.

The previous prime is 711536220737. The next prime is 711536220767. The reversal of 711536220738 is 837022635117.

711536220738 is a `hidden beast` number, since 7 + 1 + 15 + 3 + 622 + 0 + 7 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 355768110369 + 355768110369 = 596463^2 + 596463^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=596463.

It is a super-2 number, since 2×711536220738² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 711536220693 and 711536220702.

It is not an unprimeable number, because it can be changed into a prime (711536220737) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 25037245 + ... + 25065647.

Almost surely, 2^711536220738 is an apocalyptic number.

711536220738 is an abundant number, since it is smaller than the sum of its proper divisors (1081888620561).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711536220738 is an frugal number, since it uses more digits than its factorization.

711536220738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56828 (or 28415 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 711536220738 in words is "seven hundred eleven billion, five hundred thirty-six million, two hundred twenty thousand, seven hundred thirty-eight".