84252775 has 12 divisors (see below), whose sum is σ = 106446312. Its totient is φ = 66129440.

The previous prime is 84252739. The next prime is 84252793. The reversal of 84252775 is 57725248.

It is a happy number.

It is not a de Polignac number, because 84252775 - 2⁹ = 84252263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30469 + ... + 33118.

It is an arithmetic number, because the mean of its divisors is an integer number (8870526).

Almost surely, 2^84252775 is an apocalyptic number.

84252775 is a deficient number, since it is larger than the sum of its proper divisors (22193537).

84252775 is a wasteful number, since it uses less digits than its factorization.

84252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63650 (or 63645 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 84252775 is about 9178.9310379804. The cubic root of 84252775 is about 438.3907728641.

The spelling of 84252775 in words is "eighty-four million, two hundred fifty-two thousand, seven hundred seventy-five".