84623853940 has 48 divisors (see below), whose sum is σ = 185259078144. Its totient is φ = 32433264000.

The previous prime is 84623853913. The next prime is 84623853947. The reversal of 84623853940 is 4935832648.

It is a super-2 number, since 2×84623853940² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84623853947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613074 + ... + 738313.

It is an arithmetic number, because the mean of its divisors is an integer number (3859564128).

Almost surely, 2^84623853940 is an apocalyptic number.

It is an amenable number.

84623853940 is an abundant number, since it is smaller than the sum of its proper divisors (100635224204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84623853940 is a wasteful number, since it uses less digits than its factorization.

84623853940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351528 (or 1351526 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 84623853940 in words is "eighty-four billion, six hundred twenty-three million, eight hundred fifty-three thousand, nine hundred forty".