85630954 has 4 divisors (see below), whose sum is σ = 128446434. Its totient is φ = 42815476.

The previous prime is 85630943. The next prime is 85630957. The reversal of 85630954 is 45903658.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 23299929 = 7895^2 + 4827^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85630957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21407737 + ... + 21407740.

Almost surely, 2^85630954 is an apocalyptic number.

85630954 is a deficient number, since it is larger than the sum of its proper divisors (42815480).

85630954 is a wasteful number, since it uses less digits than its factorization.

85630954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42815479.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 85630954 is about 9253.6994764256. The cubic root of 85630954 is about 440.7682068861.

The spelling of 85630954 in words is "eighty-five million, six hundred thirty thousand, nine hundred fifty-four".