87814271530 has 16 divisors (see below), whose sum is σ = 162337735080. Its totient is φ = 34176364992.

The previous prime is 87814271513. The next prime is 87814271543. The reversal of 87814271530 is 3517241878.

It can be written as a sum of positive squares in 4 ways, for example, as 79613701281 + 8200570249 = 282159^2 + 90557^2 .

It is a super-2 number, since 2×87814271530² (a number of 23 digits) contains 22 as substring.

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, 118667565 + ... + 118668304.

Almost surely, 2^87814271530 is an apocalyptic number.

87814271530 is a deficient number, since it is larger than the sum of its proper divisors (74523463550).

87814271530 is a wasteful number, since it uses less digits than its factorization.

87814271530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237335913.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 87814271530 in words is "eighty-seven billion, eight hundred fourteen million, two hundred seventy-one thousand, five hundred thirty".