86764623 has 24 divisors (see below), whose sum is σ = 127680000. Its totient is φ = 52369680.

The previous prime is 86764619. The next prime is 86764663. The reversal of 86764623 is 32646768.

It is not a de Polignac number, because 86764623 - 2² = 86764619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86764603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173628 + ... + 174126.

It is an arithmetic number, because the mean of its divisors is an integer number (5320000).

Almost surely, 2^86764623 is an apocalyptic number.

86764623 is a deficient number, since it is larger than the sum of its proper divisors (40915377).

86764623 is a wasteful number, since it uses less digits than its factorization.

86764623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 992 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 86764623 is about 9314.7529757906. The cubic root of 86764623 is about 442.7047971546.

The spelling of 86764623 in words is "eighty-six million, seven hundred sixty-four thousand, six hundred twenty-three".