87403008 has 160 divisors (see below), whose sum is σ = 290695680. Its totient is φ = 22671360.

The previous prime is 87403007. The next prime is 87403009. The reversal of 87403008 is 80030478.

It is an interprime number because it is at equal distance from previous prime (87403007) and next prime (87403009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87403003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117903 + ... + 118641.

It is an arithmetic number, because the mean of its divisors is an integer number (1816848).

Almost surely, 2^87403008 is an apocalyptic number.

87403008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87403008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145347840).

87403008 is an abundant number, since it is smaller than the sum of its proper divisors (203292672).

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

87403008 is a wasteful number, since it uses less digits than its factorization.

87403008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87403008 is about 9348.9575889508. The cubic root of 87403008 is about 443.7879029186.

The spelling of 87403008 in words is "eighty-seven million, four hundred three thousand, eight".