86485544 has 8 divisors (see below), whose sum is σ = 162160410. Its totient is φ = 43242768.

The previous prime is 86485541. The next prime is 86485547. The reversal of 86485544 is 44558468.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86485541) and next prime (86485547).

It can be written as a sum of positive squares in only one way, i.e., 85340644 + 1144900 = 9238^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 86485495 and 86485504.

It is not an unprimeable number, because it can be changed into a prime (86485541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5405339 + ... + 5405354.

Almost surely, 2^86485544 is an apocalyptic number.

It is an amenable number.

86485544 is a deficient number, since it is larger than the sum of its proper divisors (75674866).

86485544 is a wasteful number, since it uses less digits than its factorization.

86485544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810699 (or 10810695 counting only the distinct ones).

The product of its digits is 614400, while the sum is 44.

The square root of 86485544 is about 9299.7604270218. The cubic root of 86485544 is about 442.2296330033.

The spelling of 86485544 in words is "eighty-six million, four hundred eighty-five thousand, five hundred forty-four".