86722850 has 24 divisors (see below), whose sum is σ = 162976548. Its totient is φ = 34329600.

The previous prime is 86722843. The next prime is 86722871. The reversal of 86722850 is 5822768.

It can be written as a sum of positive squares in 6 ways, for example, as 23980609 + 62742241 = 4897^2 + 7921^2 .

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 11 ways as a sum of consecutive naturals, for example, 4091 + ... + 13790.

Almost surely, 2^86722850 is an apocalyptic number.

86722850 is a deficient number, since it is larger than the sum of its proper divisors (76253698).

86722850 is a wasteful number, since it uses less digits than its factorization.

86722850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990 (or 17985 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 86722850 is about 9312.5104026788. The cubic root of 86722850 is about 442.6337387152.

The spelling of 86722850 in words is "eighty-six million, seven hundred twenty-two thousand, eight hundred fifty".