87308426 has 8 divisors (see below), whose sum is σ = 131012964. Its totient is φ = 43637440.

The previous prime is 87308423. The next prime is 87308453. The reversal of 87308426 is 62480378.

It can be written as a sum of positive squares in 2 ways, for example, as 80013025 + 7295401 = 8945^2 + 2701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87308426² = 15245522501194952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87308426.

It is not an unprimeable number, because it can be changed into a prime (87308423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335 + ... + 13218.

Almost surely, 2^87308426 is an apocalyptic number.

87308426 is a deficient number, since it is larger than the sum of its proper divisors (43704538).

87308426 is a wasteful number, since it uses less digits than its factorization.

87308426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 87308426 is about 9343.8977948177. The cubic root of 87308426 is about 443.6277654201.

The spelling of 87308426 in words is "eighty-seven million, three hundred eight thousand, four hundred twenty-six".