86825020 has 12 divisors (see below), whose sum is σ = 182332584. Its totient is φ = 34730000.

The previous prime is 86824999. The next prime is 86825059. The reversal of 86825020 is 2052868.

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 in 3 ways as a sum of consecutive naturals, for example, 2170606 + ... + 2170645.

It is an arithmetic number, because the mean of its divisors is an integer number (15194382).

Almost surely, 2^86825020 is an apocalyptic number.

It is an amenable number.

86825020 is an abundant number, since it is smaller than the sum of its proper divisors (95507564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86825020 is a wasteful number, since it uses less digits than its factorization.

86825020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341260 (or 4341258 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 86825020 is about 9317.9944194016. The cubic root of 86825020 is about 442.8074958467.

Adding to 86825020 its reverse (2052868), we get a palindrome (88877888).

The spelling of 86825020 in words is "eighty-six million, eight hundred twenty-five thousand, twenty".