881283969684 has 36 divisors (see below), whose sum is σ = 2269721926836. Its totient is φ = 288218656128.

The previous prime is 881283969589. The next prime is 881283969689. The reversal of 881283969684 is 486969382188.

It can be written as a sum of positive squares in 2 ways, for example, as 790815361284 + 90468608400 = 889278^2 + 300780^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×881283969684² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881283969689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230942529 + ... + 230946344.

It is an arithmetic number, because the mean of its divisors is an integer number (63047831301).

Almost surely, 2^881283969684 is an apocalyptic number.

It is an amenable number.

881283969684 is an abundant number, since it is smaller than the sum of its proper divisors (1388437957152).

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

881283969684 is a wasteful number, since it uses less digits than its factorization.

881283969684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461888936 (or 461888931 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 72.

The spelling of 881283969684 in words is "eight hundred eighty-one billion, two hundred eighty-three million, nine hundred sixty-nine thousand, six hundred eighty-four".