86387804 has 6 divisors (see below), whose sum is σ = 151178664. Its totient is φ = 43193900.

The previous prime is 86387803. The next prime is 86387869. The reversal of 86387804 is 40878368.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86387803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10798472 + ... + 10798479.

It is an arithmetic number, because the mean of its divisors is an integer number (25196444).

Almost surely, 2^86387804 is an apocalyptic number.

It is an amenable number.

86387804 is a deficient number, since it is larger than the sum of its proper divisors (64790860).

86387804 is a wasteful number, since it uses less digits than its factorization.

86387804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596955 (or 21596953 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 86387804 is about 9294.5039673992. The cubic root of 86387804 is about 442.0629777246.

The spelling of 86387804 in words is "eighty-six million, three hundred eighty-seven thousand, eight hundred four".