87896769 has 4 divisors (see below), whose sum is σ = 117195696. Its totient is φ = 58597844.

The previous prime is 87896747. The next prime is 87896771. The reversal of 87896769 is 96769878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87896769 - 2⁸ = 87896513 is a prime.

It is a super-2 number, since 2×87896769² = 15451684001278722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87896729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14649459 + ... + 14649464.

It is an arithmetic number, because the mean of its divisors is an integer number (29298924).

Almost surely, 2^87896769 is an apocalyptic number.

It is an amenable number.

87896769 is a deficient number, since it is larger than the sum of its proper divisors (29298927).

87896769 is a wasteful number, since it uses less digits than its factorization.

87896769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29298926.

The product of its digits is 9144576, while the sum is 60.

The square root of 87896769 is about 9375.3276742736. The cubic root of 87896769 is about 444.6220230225.

The spelling of 87896769 in words is "eighty-seven million, eight hundred ninety-six thousand, seven hundred sixty-nine".