783980143 has 4 divisors (see below), whose sum is σ = 830096640. Its totient is φ = 737863648.

The previous prime is 783980123. The next prime is 783980159. The reversal of 783980143 is 341089387.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 783980143 - 2¹⁷ = 783849071 is a prime.

It is a super-2 number, since 2×783980143² = 1229249729236600898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 783980143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783980123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23058223 + ... + 23058256.

It is an arithmetic number, because the mean of its divisors is an integer number (207524160).

Almost surely, 2^783980143 is an apocalyptic number.

783980143 is a deficient number, since it is larger than the sum of its proper divisors (46116497).

783980143 is a wasteful number, since it uses less digits than its factorization.

783980143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46116496.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 783980143 is about 27999.6454084690. The cubic root of 783980143 is about 922.0794735302.

The spelling of 783980143 in words is "seven hundred eighty-three million, nine hundred eighty thousand, one hundred forty-three".