85320902 has 4 divisors (see below), whose sum is σ = 127981356. Its totient is φ = 42660450.

The previous prime is 85320863. The next prime is 85320923. The reversal of 85320902 is 20902358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20902358 = 2 ⋅10451179.

It is a congruent number.

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, 21330224 + ... + 21330227.

It is an arithmetic number, because the mean of its divisors is an integer number (31995339).

Almost surely, 2^85320902 is an apocalyptic number.

85320902 is a deficient number, since it is larger than the sum of its proper divisors (42660454).

85320902 is a wasteful number, since it uses less digits than its factorization.

85320902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42660453.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 85320902 is about 9236.9314168722. The cubic root of 85320902 is about 440.2355866486.

It can be divided in two parts, 853 and 20902, that multiplied together give a triangular number (17829406 = T₅₉₇₁).

The spelling of 85320902 in words is "eighty-five million, three hundred twenty thousand, nine hundred two".