397748548158 has 16 divisors (see below), whose sum is σ = 856689180816. Its totient is φ = 122384168640.

The previous prime is 397748548139. The next prime is 397748548187. The reversal of 397748548158 is 851845847793.

It is a junction number, because it is equal to n+sod(n) for n = 397748548092 and 397748548101.

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, 2549670103 + ... + 2549670258.

It is an arithmetic number, because the mean of its divisors is an integer number (53543073801).

Almost surely, 2^397748548158 is an apocalyptic number.

397748548158 is an abundant number, since it is smaller than the sum of its proper divisors (458940632658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397748548158 is a wasteful number, since it uses less digits than its factorization.

397748548158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099340379.

The product of its digits is 270950400, while the sum is 69.

The spelling of 397748548158 in words is "three hundred ninety-seven billion, seven hundred forty-eight million, five hundred forty-eight thousand, one hundred fifty-eight".