87214137426 has 160 divisors (see below), whose sum is σ = 224140715568. Its totient is φ = 25108807680.

The previous prime is 87214137407. The next prime is 87214137431. The reversal of 87214137426 is 62473141278.

87214137426 is a `hidden beast` number, since 8 + 7 + 214 + 1 + 3 + 7 + 426 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 73196761401 + 14017376025 = 270549^2 + 118395^2 .

It is a super-2 number, since 2×87214137426² (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 79 ways as a sum of consecutive naturals, for example, 6186706 + ... + 6200786.

Almost surely, 2^87214137426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87214137426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112070357784).

87214137426 is an abundant number, since it is smaller than the sum of its proper divisors (136926578142).

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

87214137426 is a wasteful number, since it uses less digits than its factorization.

87214137426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14298 (or 14289 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 87214137426 in words is "eighty-seven billion, two hundred fourteen million, one hundred thirty-seven thousand, four hundred twenty-six".