84655628783 has 8 divisors (see below), whose sum is σ = 92354048640. Its totient is φ = 76957617880.

The previous prime is 84655628741. The next prime is 84655628789. The reversal of 84655628783 is 38782655648.

It is a happy number.

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

It is not a de Polignac number, because 84655628783 - 2¹⁰ = 84655627759 is a prime.

It is a super-2 number, since 2×84655628783² (a number of 23 digits) contains 22 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 (84655628789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469766 + ... + 624492.

It is an arithmetic number, because the mean of its divisors is an integer number (11544256080).

Almost surely, 2^84655628783 is an apocalyptic number.

84655628783 is a deficient number, since it is larger than the sum of its proper divisors (7698419857).

84655628783 is a wasteful number, since it uses less digits than its factorization.

84655628783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204477.

The product of its digits is 77414400, while the sum is 62.

The spelling of 84655628783 in words is "eighty-four billion, six hundred fifty-five million, six hundred twenty-eight thousand, seven hundred eighty-three".