1957880343 has 16 divisors (see below), whose sum is σ = 2672785280. Its totient is φ = 1274150304.

The previous prime is 1957880317. The next prime is 1957880347. The reversal of 1957880343 is 3430887591.

1957880343 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1957880343 - 2⁶ = 1957880279 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1957880292 and 1957880301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957880347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292488 + ... + 299106.

It is an arithmetic number, because the mean of its divisors is an integer number (167049080).

Almost surely, 2^1957880343 is an apocalyptic number.

1957880343 is a deficient number, since it is larger than the sum of its proper divisors (714904937).

1957880343 is a wasteful number, since it uses less digits than its factorization.

1957880343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1957880343 is about 44247.9416809415. The cubic root of 1957880343 is about 1251.0136509605.

The spelling of 1957880343 in words is "one billion, nine hundred fifty-seven million, eight hundred eighty thousand, three hundred forty-three".