28601571457459 has 32 divisors (see below), whose sum is σ = 38464756936704. Its totient is φ = 20538997994880.

The previous prime is 28601571457453. The next prime is 28601571457531. The reversal of 28601571457459 is 95475417510682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28601571457459 - 2³ = 28601571457451 is a prime.

It is a super-2 number, since 2×28601571457459² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28601571457459.

It is not an unprimeable number, because it can be changed into a prime (28601571457451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22692259 + ... + 23919484.

It is an arithmetic number, because the mean of its divisors is an integer number (1202023654272).

Almost surely, 2^{28601571457459} is an apocalyptic number.

28601571457459 is a deficient number, since it is larger than the sum of its proper divisors (9863185479245).

28601571457459 is a wasteful number, since it uses less digits than its factorization.

28601571457459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46612387.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 28601571457459 in words is "twenty-eight trillion, six hundred one billion, five hundred seventy-one million, four hundred fifty-seven thousand, four hundred fifty-nine".