86801645 has 16 divisors (see below), whose sum is σ = 120552960. Its totient is φ = 58765824.

The previous prime is 86801639. The next prime is 86801647. The reversal of 86801645 is 54610868.

It is a cyclic number.

It is not a de Polignac number, because 86801645 - 2⁴ = 86801629 is a prime.

It is a super-3 number, since 3×86801645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86801599 and 86801608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86801647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12932 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (7534560).

Almost surely, 2^86801645 is an apocalyptic number.

It is an amenable number.

86801645 is a deficient number, since it is larger than the sum of its proper divisors (33751315).

86801645 is a wasteful number, since it uses less digits than its factorization.

86801645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 86801645 is about 9316.7400414523. The cubic root of 86801645 is about 442.7677547896.

The spelling of 86801645 in words is "eighty-six million, eight hundred one thousand, six hundred forty-five".