85779448 has 16 divisors (see below), whose sum is σ = 166383000. Its totient is φ = 41410656.

The previous prime is 85779427. The next prime is 85779461. The reversal of 85779448 is 84497758.

It is a super-2 number, since 2×85779448² = 14716227398369408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85779395 and 85779404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184638 + ... + 185101.

Almost surely, 2^85779448 is an apocalyptic number.

It is an amenable number.

85779448 is a deficient number, since it is larger than the sum of its proper divisors (80603552).

85779448 is a wasteful number, since it uses less digits than its factorization.

85779448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369774 (or 369770 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 85779448 is about 9261.7194947807. The cubic root of 85779448 is about 441.0228408084.

The spelling of 85779448 in words is "eighty-five million, seven hundred seventy-nine thousand, four hundred forty-eight".