87767052 has 48 divisors (see below), whose sum is σ = 209379072. Its totient is φ = 28607040.

The previous prime is 87767051. The next prime is 87767087. The reversal of 87767052 is 25076778.

It is a junction number, because it is equal to n+sod(n) for n = 87766995 and 87767013.

It is not an unprimeable number, because it can be changed into a prime (87767051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138777 + ... + 139407.

It is an arithmetic number, because the mean of its divisors is an integer number (4362064).

Almost surely, 2^87767052 is an apocalyptic number.

It is an amenable number.

87767052 is an abundant number, since it is smaller than the sum of its proper divisors (121612020).

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

87767052 is a wasteful number, since it uses less digits than its factorization.

87767052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 87767052 is about 9368.4071218110. The cubic root of 87767052 is about 444.4031927176.

The spelling of 87767052 in words is "eighty-seven million, seven hundred sixty-seven thousand, fifty-two".