87460833697 has 4 divisors (see below), whose sum is σ = 87461712576. Its totient is φ = 87459954820.

The previous prime is 87460833671. The next prime is 87460833721. The reversal of 87460833697 is 79633806478.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79633806478 = 2 ⋅39816903239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87460833697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87460830697) 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, 267829 + ... + 496642.

It is an arithmetic number, because the mean of its divisors is an integer number (21865428144).

Almost surely, 2^87460833697 is an apocalyptic number.

It is an amenable number.

87460833697 is a deficient number, since it is larger than the sum of its proper divisors (878879).

87460833697 is a wasteful number, since it uses less digits than its factorization.

87460833697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878878.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 87460833697 in words is "eighty-seven billion, four hundred sixty million, eight hundred thirty-three thousand, six hundred ninety-seven".