471257758061 has 4 divisors (see below), whose sum is σ = 471259359324. Its totient is φ = 471256156800.

The previous prime is 471257758033. The next prime is 471257758073. The reversal of 471257758061 is 160857752174.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 361303177225 + 109954580836 = 601085^2 + 331594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471257758061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471257757994 and 471257758012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471257755061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217700 + ... + 994941.

It is an arithmetic number, because the mean of its divisors is an integer number (117814839831).

Almost surely, 2^471257758061 is an apocalyptic number.

It is an amenable number.

471257758061 is a deficient number, since it is larger than the sum of its proper divisors (1601263).

471257758061 is a wasteful number, since it uses less digits than its factorization.

471257758061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601262.

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 471257758061 in words is "four hundred seventy-one billion, two hundred fifty-seven million, seven hundred fifty-eight thousand, sixty-one".