85663467 has 8 divisors (see below), whose sum is σ = 126908880. Its totient is φ = 57108960.

The previous prime is 85663463. The next prime is 85663471. The reversal of 85663467 is 76436658.

85663467 is a `hidden beast` number, since 8 + 5 + 6 + 634 + 6 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (85663463) and next prime (85663471).

It is not a de Polignac number, because 85663467 - 2² = 85663463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85663463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586334 + ... + 1586387.

It is an arithmetic number, because the mean of its divisors is an integer number (15863610).

Almost surely, 2^85663467 is an apocalyptic number.

85663467 is a deficient number, since it is larger than the sum of its proper divisors (41245413).

85663467 is a wasteful number, since it uses less digits than its factorization.

85663467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172730 (or 3172724 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 85663467 is about 9255.4560665588. The cubic root of 85663467 is about 440.8239845486.

The spelling of 85663467 in words is "eighty-five million, six hundred sixty-three thousand, four hundred sixty-seven".