867354748880 has 40 divisors (see below), whose sum is σ = 2071102495272. Its totient is φ = 337565090304.

The previous prime is 867354748861. The next prime is 867354748891. The reversal of 867354748880 is 88847453768.

It can be written as a sum of positive squares in 4 ways, for example, as 138899326864 + 728455422016 = 372692^2 + 853496^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×867354748880² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 867354748880.

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, 146509667 + ... + 146515586.

Almost surely, 2^867354748880 is an apocalyptic number.

867354748880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

867354748880 is an abundant number, since it is smaller than the sum of its proper divisors (1203747746392).

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

867354748880 is a wasteful number, since it uses less digits than its factorization.

867354748880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293025303 (or 293025297 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 68.

The spelling of 867354748880 in words is "eight hundred sixty-seven billion, three hundred fifty-four million, seven hundred forty-eight thousand, eight hundred eighty".