8390059561557 has 24 divisors (see below), whose sum is σ = 12124045608480. Its totient is φ = 5591033269920.

The previous prime is 8390059561487. The next prime is 8390059561577. The reversal of 8390059561557 is 7551659500938.

8390059561557 is a `hidden beast` number, since 8 + 3 + 9 + 0 + 0 + 5 + 9 + 5 + 615 + 5 + 7 = 666.

It is not a de Polignac number, because 8390059561557 - 2¹⁵ = 8390059528789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8390059561494 and 8390059561503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390059561577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238899763 + ... + 238934879.

It is an arithmetic number, because the mean of its divisors is an integer number (505168567020).

Almost surely, 2^{8390059561557} is an apocalyptic number.

It is an amenable number.

8390059561557 is a deficient number, since it is larger than the sum of its proper divisors (3733986046923).

8390059561557 is a wasteful number, since it uses less digits than its factorization.

8390059561557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45473 (or 45470 counting only the distinct ones).

The product of its (nonzero) digits is 51030000, while the sum is 63.

The spelling of 8390059561557 in words is "eight trillion, three hundred ninety billion, fifty-nine million, five hundred sixty-one thousand, five hundred fifty-seven".