86722601 has 12 divisors (see below), whose sum is σ = 101866752. Its totient is φ = 73607688.

The previous prime is 86722591. The next prime is 86722639. The reversal of 86722601 is 10622768.

It is not a de Polignac number, because 86722601 - 2¹⁰ = 86721577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86722201) by changing a digit.

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, 3545 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (8488896).

Almost surely, 2^86722601 is an apocalyptic number.

It is an amenable number.

86722601 is a deficient number, since it is larger than the sum of its proper divisors (15144151).

86722601 is a wasteful number, since it uses less digits than its factorization.

86722601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300 (or 17293 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 86722601 is about 9312.4970335566. The cubic root of 86722601 is about 442.6333150825.

The spelling of 86722601 in words is "eighty-six million, seven hundred twenty-two thousand, six hundred one".