881240297536 has 63 divisors (see below), whose sum is σ = 1759250748573. Its totient is φ = 437980400640.

The previous prime is 881240297479. The next prime is 881240297593. The reversal of 881240297536 is 635792042188.

The square root of 881240297536 is 938744.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (881240297479) and next prime (881240297593).

It can be written as a sum of positive squares in only one way, i.e., 98822209600 + 782418087936 = 314360^2 + 884544^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2035196776 + ... + 2035197208.

It is a 1-persistent number, because it is pandigital, but 2⋅881240297536 = 1762480595072 is not.

Almost surely, 2^881240297536 is an apocalyptic number.

881240297536 is the 938744-th square number.

It is an amenable number.

881240297536 is a deficient number, since it is larger than the sum of its proper divisors (878010451037).

881240297536 is an frugal number, since it uses more digits than its factorization.

881240297536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 881240297536 in words is "eight hundred eighty-one billion, two hundred forty million, two hundred ninety-seven thousand, five hundred thirty-six".