4380778958 has 4 divisors (see below), whose sum is σ = 6571168440. Its totient is φ = 2190389478.

The previous prime is 4380778939. The next prime is 4380779009. The reversal of 4380778958 is 8598770834.

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

It is a junction number, because it is equal to n+sod(n) for n = 4380778897 and 4380778906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095194738 + ... + 1095194741.

It is an arithmetic number, because the mean of its divisors is an integer number (1642792110).

Almost surely, 2^4380778958 is an apocalyptic number.

4380778958 is a deficient number, since it is larger than the sum of its proper divisors (2190389482).

4380778958 is a wasteful number, since it uses less digits than its factorization.

4380778958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190389481.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The square root of 4380778958 is about 66187.4531765651. The cubic root of 4380778958 is about 1636.2529660561.

The spelling of 4380778958 in words is "four billion, three hundred eighty million, seven hundred seventy-eight thousand, nine hundred fifty-eight".