87631762 has 16 divisors (see below), whose sum is σ = 142107840. Its totient is φ = 40387248.

The previous prime is 87631757. The next prime is 87631763. The reversal of 87631762 is 26713678.

It is a super-2 number, since 2×87631762² = 15358651422449288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87631763) 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, 29758 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (8881740).

Almost surely, 2^87631762 is an apocalyptic number.

87631762 is a deficient number, since it is larger than the sum of its proper divisors (54476078).

87631762 is a wasteful number, since it uses less digits than its factorization.

87631762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62385.

The product of its digits is 84672, while the sum is 40.

The square root of 87631762 is about 9361.1837926621. The cubic root of 87631762 is about 444.1747310274.

The spelling of 87631762 in words is "eighty-seven million, six hundred thirty-one thousand, seven hundred sixty-two".