16087797 has 48 divisors (see below), whose sum is σ = 27406080. Its totient is φ = 9060480.

The previous prime is 16087793. The next prime is 16087801. The reversal of 16087797 is 79778061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16087793) and next prime (16087801).

It is not a de Polignac number, because 16087797 - 2² = 16087793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203604 + ... + 203682.

It is an arithmetic number, because the mean of its divisors is an integer number (570960).

Almost surely, 2^16087797 is an apocalyptic number.

16087797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16087797 is a deficient number, since it is larger than the sum of its proper divisors (11318283).

16087797 is a wasteful number, since it uses less digits than its factorization.

16087797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 16087797 is about 4010.9596108662. The cubic root of 16087797 is about 252.4442748641. Note that the first 3 decimals are identical.

The spelling of 16087797 in words is "sixteen million, eighty-seven thousand, seven hundred ninety-seven".