84555677 has 4 divisors (see below), whose sum is σ = 87471420. Its totient is φ = 81639936.

The previous prime is 84555661. The next prime is 84555683. The reversal of 84555677 is 77655548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53963716 + 30591961 = 7346^2 + 5531^2 .

It is a cyclic number.

It is not a de Polignac number, because 84555677 - 2⁴ = 84555661 is a prime.

It is a super-3 number, since 3×84555677³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84555077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457828 + ... + 1457885.

It is an arithmetic number, because the mean of its divisors is an integer number (21867855).

Almost surely, 2^84555677 is an apocalyptic number.

It is an amenable number.

84555677 is a deficient number, since it is larger than the sum of its proper divisors (2915743).

84555677 is a wasteful number, since it uses less digits than its factorization.

84555677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915742.

The product of its digits is 1176000, while the sum is 47.

The square root of 84555677 is about 9195.4160862900. The cubic root of 84555677 is about 438.9155058317.

The spelling of 84555677 in words is "eighty-four million, five hundred fifty-five thousand, six hundred seventy-seven".