85007390 has 16 divisors (see below), whose sum is σ = 164783808. Its totient is φ = 31387296.

The previous prime is 85007359. The next prime is 85007393. The reversal of 85007390 is 9370058.

It is a super-2 number, since 2×85007390² = 14452512709224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85007393) 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 7 ways as a sum of consecutive naturals, for example, 326822 + ... + 327081.

It is an arithmetic number, because the mean of its divisors is an integer number (10298988).

Almost surely, 2^85007390 is an apocalyptic number.

85007390 is a deficient number, since it is larger than the sum of its proper divisors (79776418).

85007390 is a wasteful number, since it uses less digits than its factorization.

85007390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653923.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 85007390 is about 9219.9452276030. The cubic root of 85007390 is about 439.6957090314.

The spelling of 85007390 in words is "eighty-five million, seven thousand, three hundred ninety".