87404688601 has 4 divisors (see below), whose sum is σ = 87752914704. Its totient is φ = 87056462500.

The previous prime is 87404688589. The next prime is 87404688673. The reversal of 87404688601 is 10688640478.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10688640478 = 2 ⋅5344320239.

It is a cyclic number.

It is not a de Polignac number, because 87404688601 - 2⁷ = 87404688473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87404688401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174112675 + ... + 174113176.

It is an arithmetic number, because the mean of its divisors is an integer number (21938228676).

Almost surely, 2^87404688601 is an apocalyptic number.

It is an amenable number.

87404688601 is a deficient number, since it is larger than the sum of its proper divisors (348226103).

87404688601 is a wasteful number, since it uses less digits than its factorization.

87404688601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348226102.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 87404688601 in words is "eighty-seven billion, four hundred four million, six hundred eighty-eight thousand, six hundred one".