87028877 has 8 divisors (see below), whose sum is σ = 94286976. Its totient is φ = 79851312.

The previous prime is 87028867. The next prime is 87028897. The reversal of 87028877 is 77882078.

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

It is a cyclic number.

It is not a de Polignac number, because 87028877 - 2⁸ = 87028621 is a prime.

It is a super-2 number, since 2×87028877² = 15148050863762258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87028807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17873 + ... + 22214.

It is an arithmetic number, because the mean of its divisors is an integer number (11785872).

Almost surely, 2^87028877 is an apocalyptic number.

It is an amenable number.

87028877 is a deficient number, since it is larger than the sum of its proper divisors (7258099).

87028877 is a wasteful number, since it uses less digits than its factorization.

87028877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40267.

The product of its (nonzero) digits is 351232, while the sum is 47.

The square root of 87028877 is about 9328.9268943432. The cubic root of 87028877 is about 443.1537817892.

The spelling of 87028877 in words is "eighty-seven million, twenty-eight thousand, eight hundred seventy-seven".