87814659005 has 8 divisors (see below), whose sum is σ = 105986710872. Its totient is φ = 69845647168.

The previous prime is 87814658963. The next prime is 87814659013. The reversal of 87814659005 is 50095641878.

It can be written as a sum of positive squares in 4 ways, for example, as 52927143481 + 34887515524 = 230059^2 + 186782^2 .

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 87814659005 - 2¹² = 87814654909 is a prime.

It is a super-2 number, since 2×87814659005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50759054 + ... + 50760783.

It is an arithmetic number, because the mean of its divisors is an integer number (13248338859).

Almost surely, 2^87814659005 is an apocalyptic number.

It is an amenable number.

87814659005 is a deficient number, since it is larger than the sum of its proper divisors (18172051867).

87814659005 is a wasteful number, since it uses less digits than its factorization.

87814659005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101520015.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 87814659005 in words is "eighty-seven billion, eight hundred fourteen million, six hundred fifty-nine thousand, five".