86778352 has 20 divisors (see below), whose sum is σ = 168377616. Its totient is φ = 43326080.

The previous prime is 86778347. The next prime is 86778361. The reversal of 86778352 is 25387768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8613 + ... + 15739.

Almost surely, 2^86778352 is an apocalyptic number.

It is an amenable number.

86778352 is a deficient number, since it is larger than the sum of its proper divisors (81599264).

86778352 is a wasteful number, since it uses less digits than its factorization.

86778352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896 (or 7890 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 86778352 is about 9315.4898958670. The cubic root of 86778352 is about 442.7281460473.

The spelling of 86778352 in words is "eighty-six million, seven hundred seventy-eight thousand, three hundred fifty-two".