28058178130 has 32 divisors (see below), whose sum is σ = 50785833600. Its totient is φ = 11160864000.

The previous prime is 28058178121. The next prime is 28058178133. The reversal of 28058178130 is 3187185082.

It is a super-2 number, since 2×28058178130² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28058178133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6467322 + ... + 6471658.

It is an arithmetic number, because the mean of its divisors is an integer number (1587057300).

Almost surely, 2^28058178130 is an apocalyptic number.

28058178130 is a deficient number, since it is larger than the sum of its proper divisors (22727655470).

28058178130 is a wasteful number, since it uses less digits than its factorization.

28058178130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 28058178130 in words is "twenty-eight billion, fifty-eight million, one hundred seventy-eight thousand, one hundred thirty".