85077868 has 6 divisors (see below), whose sum is σ = 148886276. Its totient is φ = 42538932.

The previous prime is 85077847. The next prime is 85077901. The reversal of 85077868 is 86877058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10634730 + ... + 10634737.

Almost surely, 2^85077868 is an apocalyptic number.

It is an amenable number.

85077868 is a deficient number, since it is larger than the sum of its proper divisors (63808408).

85077868 is a wasteful number, since it uses less digits than its factorization.

85077868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269471 (or 21269469 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 85077868 is about 9223.7664757950. The cubic root of 85077868 is about 439.8171898973.

The spelling of 85077868 in words is "eighty-five million, seventy-seven thousand, eight hundred sixty-eight".