85963544 has 8 divisors (see below), whose sum is σ = 161181660. Its totient is φ = 42981768.

The previous prime is 85963541. The next prime is 85963547. The reversal of 85963544 is 44536958.

It is an interprime number because it is at equal distance from previous prime (85963541) and next prime (85963547).

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 = 85963495 and 85963504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85963541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5372714 + ... + 5372729.

Almost surely, 2^85963544 is an apocalyptic number.

It is an amenable number.

85963544 is a deficient number, since it is larger than the sum of its proper divisors (75218116).

85963544 is a wasteful number, since it uses less digits than its factorization.

85963544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745449 (or 10745445 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 85963544 is about 9271.6527113563. The cubic root of 85963544 is about 441.3381165123.

The spelling of 85963544 in words is "eighty-five million, nine hundred sixty-three thousand, five hundred forty-four".