87754420 has 24 divisors (see below), whose sum is σ = 198460584. Its totient is φ = 32401536.

The previous prime is 87754399. The next prime is 87754441. The reversal of 87754420 is 2445778.

It is an interprime number because it is at equal distance from previous prime (87754399) and next prime (87754441).

It can be written as a sum of positive squares in 4 ways, for example, as 7257636 + 80496784 = 2694^2 + 8972^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 87754420.

It is a congruent number.

It is an unprimeable number.

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, 168499 + ... + 169018.

It is an arithmetic number, because the mean of its divisors is an integer number (8269191).

Almost surely, 2^87754420 is an apocalyptic number.

It is an amenable number.

87754420 is an abundant number, since it is smaller than the sum of its proper divisors (110706164).

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

87754420 is a wasteful number, since it uses less digits than its factorization.

87754420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337539 (or 337537 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 87754420 is about 9367.7329167734. The cubic root of 87754420 is about 444.3818712370.

The spelling of 87754420 in words is "eighty-seven million, seven hundred fifty-four thousand, four hundred twenty".