87575763265 has 8 divisors (see below), whose sum is σ = 106131420648. Its totient is φ = 69366940800.

The previous prime is 87575763257. The next prime is 87575763269. The reversal of 87575763265 is 56236757578.

It can be written as a sum of positive squares in 4 ways, for example, as 31561654336 + 56014108929 = 177656^2 + 236673^2 .

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

It is not a de Polignac number, because 87575763265 - 2³ = 87575763257 is a prime.

It is a super-2 number, since 2×87575763265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87575763269) 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, 86708172 + ... + 86709181.

It is an arithmetic number, because the mean of its divisors is an integer number (13266427581).

Almost surely, 2^87575763265 is an apocalyptic number.

It is an amenable number.

87575763265 is a deficient number, since it is larger than the sum of its proper divisors (18555657383).

87575763265 is a wasteful number, since it uses less digits than its factorization.

87575763265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173417459.

The product of its digits is 74088000, while the sum is 61.

The spelling of 87575763265 in words is "eighty-seven billion, five hundred seventy-five million, seven hundred sixty-three thousand, two hundred sixty-five".