28067005176 has 96 divisors (see below), whose sum is σ = 81785538000. Its totient is φ = 8003218944.

The previous prime is 28067005163. The next prime is 28067005189. The reversal of 28067005176 is 67150076082.

It is an interprime number because it is at equal distance from previous prime (28067005163) and next prime (28067005189).

It is a super-2 number, since 2×28067005176² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575140 + ... + 622028.

Almost surely, 2^28067005176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28067005176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40892769000).

28067005176 is an abundant number, since it is smaller than the sum of its proper divisors (53718532824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28067005176 is a wasteful number, since it uses less digits than its factorization.

28067005176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47421 (or 47410 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 28067005176 in words is "twenty-eight billion, sixty-seven million, five thousand, one hundred seventy-six".