85890951 has 6 divisors (see below), whose sum is σ = 124064720. Its totient is φ = 57260628.

The previous prime is 85890929. The next prime is 85890967. The reversal of 85890951 is 15909858.

It is not a de Polignac number, because 85890951 - 2¹¹ = 85888903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85890897 and 85890906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85890971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4771711 + ... + 4771728.

Almost surely, 2^85890951 is an apocalyptic number.

85890951 is a deficient number, since it is larger than the sum of its proper divisors (38173769).

85890951 is a wasteful number, since it uses less digits than its factorization.

85890951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543445 (or 9543442 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 85890951 is about 9267.7371024431. The cubic root of 85890951 is about 441.2138503450.

It can be divided in two parts, 858 and 90951, that added together give a square (91809 = 303²).

The spelling of 85890951 in words is "eighty-five million, eight hundred ninety thousand, nine hundred fifty-one".