84866761022 has 4 divisors (see below), whose sum is σ = 127300141536. Its totient is φ = 42433380510.

The previous prime is 84866760949. The next prime is 84866761037. The reversal of 84866761022 is 22016766848.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216690254 + ... + 21216690257.

It is an arithmetic number, because the mean of its divisors is an integer number (31825035384).

Almost surely, 2^84866761022 is an apocalyptic number.

84866761022 is a deficient number, since it is larger than the sum of its proper divisors (42433380514).

84866761022 is a wasteful number, since it uses less digits than its factorization.

84866761022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42433380513.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 84866761022 in words is "eighty-four billion, eight hundred sixty-six million, seven hundred sixty-one thousand, twenty-two".