87694469 has 8 divisors (see below), whose sum is σ = 91620672. Its totient is φ = 83777760.

The previous prime is 87694447. The next prime is 87694471. The reversal of 87694469 is 96449678.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87694469 - 2⁸ = 87694213 is a prime.

It is a super-2 number, since 2×87694469² = 15380639786383922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87694469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87694429) 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, 21914 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (11452584).

Almost surely, 2^87694469 is an apocalyptic number.

It is an amenable number.

87694469 is a deficient number, since it is larger than the sum of its proper divisors (3926203).

87694469 is a wasteful number, since it uses less digits than its factorization.

87694469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 2612736, while the sum is 53.

The square root of 87694469 is about 9364.5325030137. The cubic root of 87694469 is about 444.2806523786.

The spelling of 87694469 in words is "eighty-seven million, six hundred ninety-four thousand, four hundred sixty-nine".