9870727257152 has 28 divisors (see below), whose sum is σ = 19789154561820. Its totient is φ = 4884483588096.

The previous prime is 9870727257107. The next prime is 9870727257169. The reversal of 9870727257152 is 2517527270789.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8037996138496 + 1832731118656 = 2835136^2 + 1353784^2 .

It is a super-2 number, since 2×9870727257152² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794994377 + ... + 795006792.

It is an arithmetic number, because the mean of its divisors is an integer number (706755520065).

Almost surely, 2^{9870727257152} is an apocalyptic number.

It is an amenable number.

9870727257152 is an abundant number, since it is smaller than the sum of its proper divisors (9918427304668).

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

9870727257152 is a wasteful number, since it uses less digits than its factorization.

9870727257152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590001278 (or 1590001268 counting only the distinct ones).

The product of its (nonzero) digits is 34574400, while the sum is 62.

The spelling of 9870727257152 in words is "nine trillion, eight hundred seventy billion, seven hundred twenty-seven million, two hundred fifty-seven thousand, one hundred fifty-two".