59378821997 has 8 divisors (see below), whose sum is σ = 65005793760. Its totient is φ = 53789999760.

The previous prime is 59378821987. The next prime is 59378822003. The reversal of 59378821997 is 79912887395.

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 59378821997 - 2⁴ = 59378821981 is a prime.

It is a super-2 number, since 2×59378821997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59378821967) 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, 9534122 + ... + 9540347.

It is an arithmetic number, because the mean of its divisors is an integer number (8125724220).

Almost surely, 2^59378821997 is an apocalyptic number.

It is an amenable number.

59378821997 is a deficient number, since it is larger than the sum of its proper divisors (5626971763).

59378821997 is a wasteful number, since it uses less digits than its factorization.

59378821997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074763.

The product of its digits is 68584320, while the sum is 68.

The spelling of 59378821997 in words is "fifty-nine billion, three hundred seventy-eight million, eight hundred twenty-one thousand, nine hundred ninety-seven".