84577012 has 12 divisors (see below), whose sum is σ = 159395236. Its totient is φ = 39035520.

The previous prime is 84576979. The next prime is 84577043. The reversal of 84577012 is 21077548.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8608356 + 75968656 = 2934^2 + 8716^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813189 + ... + 813292.

Almost surely, 2^84577012 is an apocalyptic number.

It is an amenable number.

84577012 is a deficient number, since it is larger than the sum of its proper divisors (74818224).

84577012 is a wasteful number, since it uses less digits than its factorization.

84577012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626498 (or 1626496 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 84577012 is about 9196.5761020067. The cubic root of 84577012 is about 438.9524182945.

The spelling of 84577012 in words is "eighty-four million, five hundred seventy-seven thousand, twelve".