87820557053 has 8 divisors (see below), whose sum is σ = 90399555840. Its totient is φ = 85252372560.

The previous prime is 87820557037. The next prime is 87820557073. The reversal of 87820557053 is 35075502878.

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 87820557053 - 2⁴ = 87820557037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87820556992 and 87820557010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87820557073) 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, 2687093 + ... + 2719578.

It is an arithmetic number, because the mean of its divisors is an integer number (11299944480).

Almost surely, 2^87820557053 is an apocalyptic number.

It is an amenable number.

87820557053 is a deficient number, since it is larger than the sum of its proper divisors (2578998787).

87820557053 is a wasteful number, since it uses less digits than its factorization.

87820557053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407147.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 87820557053 in words is "eighty-seven billion, eight hundred twenty million, five hundred fifty-seven thousand, fifty-three".