87056572 has 6 divisors (see below), whose sum is σ = 152349008. Its totient is φ = 43528284.

The previous prime is 87056569. The next prime is 87056573. The reversal of 87056572 is 27565078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87056573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10882068 + ... + 10882075.

Almost surely, 2^87056572 is an apocalyptic number.

It is an amenable number.

87056572 is a deficient number, since it is larger than the sum of its proper divisors (65292436).

87056572 is a wasteful number, since it uses less digits than its factorization.

87056572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764147 (or 21764145 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 87056572 is about 9330.4111377795. The cubic root of 87056572 is about 443.2007847410.

The spelling of 87056572 in words is "eighty-seven million, fifty-six thousand, five hundred seventy-two".