867720604752 has 80 divisors (see below), whose sum is σ = 2490798912000. Its totient is φ = 289226336256.

The previous prime is 867720604741. The next prime is 867720604757. The reversal of 867720604752 is 257406027768.

867720604752 is a `hidden beast` number, since 8 + 6 + 7 + 7 + 20 + 604 + 7 + 5 + 2 = 666.

It is a super-2 number, since 2×867720604752² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867720604757) 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, 13168624 + ... + 13234352.

It is an arithmetic number, because the mean of its divisors is an integer number (31134986400).

Almost surely, 2^867720604752 is an apocalyptic number.

It is an amenable number.

867720604752 is an abundant number, since it is smaller than the sum of its proper divisors (1623078307248).

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

867720604752 is a wasteful number, since it uses less digits than its factorization.

867720604752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96305 (or 96293 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 867720604752 in words is "eight hundred sixty-seven billion, seven hundred twenty million, six hundred four thousand, seven hundred fifty-two".