84625577 has 8 divisors (see below), whose sum is σ = 87081480. Its totient is φ = 82201600.

The previous prime is 84625573. The next prime is 84625603. The reversal of 84625577 is 77552648.

It can be written as a sum of positive squares in 4 ways, for example, as 19678096 + 64947481 = 4436^2 + 8059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84625577 - 2² = 84625573 is a prime.

It is a super-2 number, since 2×84625577² = 14322976565165858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84625571) 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, 2552 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (10885185).

Almost surely, 2^84625577 is an apocalyptic number.

It is an amenable number.

84625577 is a deficient number, since it is larger than the sum of its proper divisors (2455903).

84625577 is a wasteful number, since it uses less digits than its factorization.

84625577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963.

The product of its digits is 470400, while the sum is 44.

The square root of 84625577 is about 9199.2161079083. The cubic root of 84625577 is about 439.0364192332.

The spelling of 84625577 in words is "eighty-four million, six hundred twenty-five thousand, five hundred seventy-seven".