87689647403 has 8 divisors (see below), whose sum is σ = 88858661472. Its totient is φ = 86528299456.

The previous prime is 87689647399. The next prime is 87689647421. The reversal of 87689647403 is 30474698678.

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 87689647403 - 2² = 87689647399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87689647483) 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, 1893500 + ... + 1939257.

It is an arithmetic number, because the mean of its divisors is an integer number (11107332684).

Almost surely, 2^87689647403 is an apocalyptic number.

87689647403 is a deficient number, since it is larger than the sum of its proper divisors (1169014069).

87689647403 is a wasteful number, since it uses less digits than its factorization.

87689647403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833061.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 87689647403 in words is "eighty-seven billion, six hundred eighty-nine million, six hundred forty-seven thousand, four hundred three".