87660662 has 4 divisors (see below), whose sum is σ = 131490996. Its totient is φ = 43830330.

The previous prime is 87660611. The next prime is 87660667. The reversal of 87660662 is 26606678.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87660667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21915164 + ... + 21915167.

It is an arithmetic number, because the mean of its divisors is an integer number (32872749).

Almost surely, 2^87660662 is an apocalyptic number.

87660662 is a deficient number, since it is larger than the sum of its proper divisors (43830334).

87660662 is a wasteful number, since it uses less digits than its factorization.

87660662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830333.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 87660662 is about 9362.7272736100. The cubic root of 87660662 is about 444.2235536558.

The spelling of 87660662 in words is "eighty-seven million, six hundred sixty thousand, six hundred sixty-two".