87920541 has 12 divisors (see below), whose sum is σ = 127191168. Its totient is φ = 58523784.

The previous prime is 87920533. The next prime is 87920563. The reversal of 87920541 is 14502978.

It is not a de Polignac number, because 87920541 - 2³ = 87920533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87920496 and 87920505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87920501) 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 11 ways as a sum of consecutive naturals, for example, 1005 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (10599264).

Almost surely, 2^87920541 is an apocalyptic number.

It is an amenable number.

87920541 is a deficient number, since it is larger than the sum of its proper divisors (39270627).

87920541 is a wasteful number, since it uses less digits than its factorization.

87920541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14992 (or 14989 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 87920541 is about 9376.5953842533. The cubic root of 87920541 is about 444.6621026225.

The spelling of 87920541 in words is "eighty-seven million, nine hundred twenty thousand, five hundred forty-one".