87426568276 has 12 divisors (see below), whose sum is σ = 155883221172. Its totient is φ = 42888505088.

The previous prime is 87426568183. The next prime is 87426568277. The reversal of 87426568276 is 67286562478.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55778158276 + 31648410000 = 236174^2 + 177900^2 .

It is a super-2 number, since 2×87426568276² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87426568277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206194525 + ... + 206194948.

It is an arithmetic number, because the mean of its divisors is an integer number (12990268431).

Almost surely, 2^87426568276 is an apocalyptic number.

It is an amenable number.

87426568276 is a deficient number, since it is larger than the sum of its proper divisors (68456652896).

87426568276 is a wasteful number, since it uses less digits than its factorization.

87426568276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412389530 (or 412389528 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 61.

The spelling of 87426568276 in words is "eighty-seven billion, four hundred twenty-six million, five hundred sixty-eight thousand, two hundred seventy-six".