987197662 has 16 divisors (see below), whose sum is σ = 1617662592. Its totient is φ = 448101720.

The previous prime is 987197647. The next prime is 987197677. The reversal of 987197662 is 266791789.

It is an interprime number because it is at equal distance from previous prime (987197647) and next prime (987197677).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14868 + ... + 46855.

It is an arithmetic number, because the mean of its divisors is an integer number (101103912).

Almost surely, 2^987197662 is an apocalyptic number.

987197662 is a deficient number, since it is larger than the sum of its proper divisors (630464930).

987197662 is a wasteful number, since it uses less digits than its factorization.

987197662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62463.

The product of its digits is 2286144, while the sum is 55.

The square root of 987197662 is about 31419.7018127162. The cubic root of 987197662 is about 995.7142122639.

The spelling of 987197662 in words is "nine hundred eighty-seven million, one hundred ninety-seven thousand, six hundred sixty-two".