858721230048 has 48 divisors (see below), whose sum is σ = 2459065343616. Its totient is φ = 260218554240.

The previous prime is 858721230023. The next prime is 858721230067. The reversal of 858721230048 is 840032127858.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 858721229979 and 858721230006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406590436 + ... + 406592547.

It is an arithmetic number, because the mean of its divisors is an integer number (51230527992).

Almost surely, 2^858721230048 is an apocalyptic number.

858721230048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

858721230048 is an abundant number, since it is smaller than the sum of its proper divisors (1600344113568).

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

858721230048 is a wasteful number, since it uses less digits than its factorization.

858721230048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813183007 (or 813182999 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 858721230048 in words is "eight hundred fifty-eight billion, seven hundred twenty-one million, two hundred thirty thousand, forty-eight".