84291806204 has 6 divisors (see below), whose sum is σ = 147510660864. Its totient is φ = 42145903100.

The previous prime is 84291806201. The next prime is 84291806219. The reversal of 84291806204 is 40260819248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84291806201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10536475772 + ... + 10536475779.

It is an arithmetic number, because the mean of its divisors is an integer number (24585110144).

Almost surely, 2^84291806204 is an apocalyptic number.

It is an amenable number.

84291806204 is a deficient number, since it is larger than the sum of its proper divisors (63218854660).

84291806204 is a wasteful number, since it uses less digits than its factorization.

84291806204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072951555 (or 21072951553 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 84291806204 in words is "eighty-four billion, two hundred ninety-one million, eight hundred six thousand, two hundred four".