87778327 has 32 divisors (see below), whose sum is σ = 119411712. Its totient is φ = 62498304.

The previous prime is 87778289. The next prime is 87778337. The reversal of 87778327 is 72387778.

It is a cyclic number.

It is not a de Polignac number, because 87778327 - 2¹⁹ = 87254039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87778337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34348 + ... + 36814.

It is an arithmetic number, because the mean of its divisors is an integer number (3731616).

Almost surely, 2^87778327 is an apocalyptic number.

87778327 is a deficient number, since it is larger than the sum of its proper divisors (31633385).

87778327 is a wasteful number, since it uses less digits than its factorization.

87778327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its digits is 921984, while the sum is 49.

The square root of 87778327 is about 9369.0088589989. The cubic root of 87778327 is about 444.4222219977.

The spelling of 87778327 in words is "eighty-seven million, seven hundred seventy-eight thousand, three hundred twenty-seven".