87162002 has 4 divisors (see below), whose sum is σ = 130743006. Its totient is φ = 43581000.

The previous prime is 87161993. The next prime is 87162011. The reversal of 87162002 is 20026178.

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

It is an interprime number because it is at equal distance from previous prime (87161993) and next prime (87162011).

It can be written as a sum of positive squares in only one way, i.e., 67881121 + 19280881 = 8239^2 + 4391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21790499 + ... + 21790502.

Almost surely, 2^87162002 is an apocalyptic number.

87162002 is a deficient number, since it is larger than the sum of its proper divisors (43581004).

87162002 is a wasteful number, since it uses less digits than its factorization.

87162002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43581003.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87162002 is about 9336.0592328884. The cubic root of 87162002 is about 443.3796255704.

The spelling of 87162002 in words is "eighty-seven million, one hundred sixty-two thousand, two".