87405201207677 has 8 divisors (see below), whose sum is σ = 94803919818552. Its totient is φ = 80257286617600.

The previous prime is 87405201207647. The next prime is 87405201207721. The reversal of 87405201207677 is 77670210250478.

It can be written as a sum of positive squares in 4 ways, for example, as 773988214756 + 86631212992921 = 879766^2 + 9307589^2 .

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 87405201207677 - 2¹⁴ = 87405201191293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87405201207607) 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, 62701004474 + ... + 62701005867.

It is an arithmetic number, because the mean of its divisors is an integer number (11850489977319).

Almost surely, 2^{87405201207677} is an apocalyptic number.

It is an amenable number.

87405201207677 is a deficient number, since it is larger than the sum of its proper divisors (7398718610875).

87405201207677 is a wasteful number, since it uses less digits than its factorization.

87405201207677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125402010399.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 87405201207677 in words is "eighty-seven trillion, four hundred five billion, two hundred one million, two hundred seven thousand, six hundred seventy-seven".