87497799 has 8 divisors (see below), whose sum is σ = 116956272. Its totient is φ = 58185600.

The previous prime is 87497797. The next prime is 87497801. The reversal of 87497799 is 99779478.

It is an interprime number because it is at equal distance from previous prime (87497797) and next prime (87497801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87497799 - 2¹ = 87497797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87497797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35164 + ... + 37569.

It is an arithmetic number, because the mean of its divisors is an integer number (14619534).

Almost surely, 2^87497799 is an apocalyptic number.

87497799 is a deficient number, since it is larger than the sum of its proper divisors (29458473).

87497799 is a wasteful number, since it uses less digits than its factorization.

87497799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73137.

The product of its digits is 8001504, while the sum is 60.

The square root of 87497799 is about 9354.0258177963. The cubic root of 87497799 is about 443.9482784083.

The spelling of 87497799 in words is "eighty-seven million, four hundred ninety-seven thousand, seven hundred ninety-nine".