28087570034 has 8 divisors (see below), whose sum is σ = 44609670108. Its totient is φ = 13217680000.

The previous prime is 28087570033. The next prime is 28087570079. The reversal of 28087570034 is 43007578082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23145058225 + 4942511809 = 152135^2 + 70303^2 .

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

It is a super-2 number, since 2×28087570034² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28087570033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413052467 + ... + 413052534.

Almost surely, 2^28087570034 is an apocalyptic number.

28087570034 is a deficient number, since it is larger than the sum of its proper divisors (16522100074).

28087570034 is a wasteful number, since it uses less digits than its factorization.

28087570034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826105020.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 28087570034 in words is "twenty-eight billion, eighty-seven million, five hundred seventy thousand, thirty-four".