28541002078084 has 6 divisors (see below), whose sum is σ = 49946753636654. Its totient is φ = 14270501039040.

The previous prime is 28541002078049. The next prime is 28541002078129. The reversal of 28541002078084 is 48087020014582.

It can be written as a sum of positive squares in only one way, i.e., 16168617924484 + 12372384153600 = 4021022^2 + 3517440^2 .

It is a super-2 number, since 2×28541002078084² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567625259757 + ... + 3567625259764.

Almost surely, 2^{28541002078084} is an apocalyptic number.

It is an amenable number.

28541002078084 is a deficient number, since it is larger than the sum of its proper divisors (21405751558570).

28541002078084 is a wasteful number, since it uses less digits than its factorization.

28541002078084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135250519525 (or 7135250519523 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 28541002078084 in words is "twenty-eight trillion, five hundred forty-one billion, two million, seventy-eight thousand, eighty-four".