85077388 has 12 divisors (see below), whose sum is σ = 162420552. Its totient is φ = 38671520.

The previous prime is 85077373. The next prime is 85077389. The reversal of 85077388 is 88377058.

It is not an unprimeable number, because it can be changed into a prime (85077389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966745 + ... + 966832.

It is an arithmetic number, because the mean of its divisors is an integer number (13535046).

Almost surely, 2^85077388 is an apocalyptic number.

It is an amenable number.

85077388 is a deficient number, since it is larger than the sum of its proper divisors (77343164).

85077388 is a wasteful number, since it uses less digits than its factorization.

85077388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933592 (or 1933590 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 85077388 is about 9223.7404560189. The cubic root of 85077388 is about 439.8163627622.

The spelling of 85077388 in words is "eighty-five million, seventy-seven thousand, three hundred eighty-eight".