87426040 has 32 divisors (see below), whose sum is σ = 211841280. Its totient is φ = 32280192.

The previous prime is 87426029. The next prime is 87426043. The reversal of 87426040 is 4062478.

It is a junction number, because it is equal to n+sod(n) for n = 87425993 and 87426011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87426043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83544 + ... + 84583.

It is an arithmetic number, because the mean of its divisors is an integer number (6620040).

Almost surely, 2^87426040 is an apocalyptic number.

It is an amenable number.

87426040 is an abundant number, since it is smaller than the sum of its proper divisors (124415240).

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

87426040 is a wasteful number, since it uses less digits than its factorization.

87426040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168151 (or 168147 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 87426040 is about 9350.1893028965. The cubic root of 87426040 is about 443.8268810786.

The spelling of 87426040 in words is "eighty-seven million, four hundred twenty-six thousand, forty".