87730454 has 16 divisors (see below), whose sum is σ = 150648576. Its totient is φ = 37535400.

The previous prime is 87730439. The next prime is 87730471. The reversal of 87730454 is 45403778.

It is a super-2 number, since 2×87730454² = 15393265118092232, which contains 22 as substring.

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, 3869 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (9415536).

Almost surely, 2^87730454 is an apocalyptic number.

87730454 is a deficient number, since it is larger than the sum of its proper divisors (62918122).

87730454 is a wasteful number, since it uses less digits than its factorization.

87730454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 87730454 is about 9366.4536511958. The cubic root of 87730454 is about 444.3414135386.

The spelling of 87730454 in words is "eighty-seven million, seven hundred thirty thousand, four hundred fifty-four".