87951020 has 24 divisors (see below), whose sum is σ = 187727568. Its totient is φ = 34603200.

The previous prime is 87950921. The next prime is 87951029. The reversal of 87951020 is 2015978.

It is not an unprimeable number, because it can be changed into a prime (87951029) by changing a digit.

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, 34826 + ... + 37265.

It is an arithmetic number, because the mean of its divisors is an integer number (7821982).

Almost surely, 2^87951020 is an apocalyptic number.

It is an amenable number.

87951020 is an abundant number, since it is smaller than the sum of its proper divisors (99776548).

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

87951020 is a wasteful number, since it uses less digits than its factorization.

87951020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72161 (or 72159 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 87951020 is about 9378.2205135089. The cubic root of 87951020 is about 444.7134796586.

Adding to 87951020 its reverse (2015978), we get a palindrome (89966998).

The spelling of 87951020 in words is "eighty-seven million, nine hundred fifty-one thousand, twenty".