87542748 has 24 divisors (see below), whose sum is σ = 226962960. Its totient is φ = 29180880.

The previous prime is 87542743. The next prime is 87542753. The reversal of 87542748 is 84724578.

It is an interprime number because it is at equal distance from previous prime (87542743) and next prime (87542753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87542743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405183 + ... + 405398.

It is an arithmetic number, because the mean of its divisors is an integer number (9456790).

Almost surely, 2^87542748 is an apocalyptic number.

It is an amenable number.

87542748 is an abundant number, since it is smaller than the sum of its proper divisors (139420212).

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

87542748 is a wasteful number, since it uses less digits than its factorization.

87542748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810594 (or 810586 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 87542748 is about 9356.4281646363. The cubic root of 87542748 is about 444.0242864728.

The spelling of 87542748 in words is "eighty-seven million, five hundred forty-two thousand, seven hundred forty-eight".