87249841363136 has 56 divisors (see below), whose sum is σ = 177364862450160. Its totient is φ = 42559549747200.

The previous prime is 87249841363129. The next prime is 87249841363193. The reversal of 87249841363136 is 63136314894278.

It is a super-2 number, since 2×87249841363136² (a number of 29 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, 84950591 + ... + 85971521.

It is an arithmetic number, because the mean of its divisors is an integer number (3167229686610).

Almost surely, 2^{87249841363136} is an apocalyptic number.

It is an amenable number.

87249841363136 is an abundant number, since it is smaller than the sum of its proper divisors (90115021087024).

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

87249841363136 is a wasteful number, since it uses less digits than its factorization.

87249841363136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053553 (or 1053543 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 65.

The spelling of 87249841363136 in words is "eighty-seven trillion, two hundred forty-nine billion, eight hundred forty-one million, three hundred sixty-three thousand, one hundred thirty-six".