87652772 has 24 divisors (see below), whose sum is σ = 155057280. Its totient is φ = 43354080.

The previous prime is 87652771. The next prime is 87652777. The reversal of 87652772 is 27725678.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87652771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264647 + ... + 264977.

It is an arithmetic number, because the mean of its divisors is an integer number (6460720).

Almost surely, 2^87652772 is an apocalyptic number.

It is an amenable number.

87652772 is a deficient number, since it is larger than the sum of its proper divisors (67404508).

87652772 is a wasteful number, since it uses less digits than its factorization.

87652772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 87652772 is about 9362.3059125410. The cubic root of 87652772 is about 444.2102256365.

The spelling of 87652772 in words is "eighty-seven million, six hundred fifty-two thousand, seven hundred seventy-two".