780453948 has 24 divisors (see below), whose sum is σ = 1822262400. Its totient is φ = 259979440.

The previous prime is 780453929. The next prime is 780453997. The reversal of 780453948 is 849354087.

It is a junction number, because it is equal to n+sod(n) for n = 780453897 and 780453906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848 + ... + 39551.

It is an arithmetic number, because the mean of its divisors is an integer number (75927600).

Almost surely, 2^780453948 is an apocalyptic number.

It is an amenable number.

780453948 is an abundant number, since it is smaller than the sum of its proper divisors (1041808452).

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

780453948 is a wasteful number, since it uses less digits than its factorization.

780453948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42977 (or 42975 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 780453948 is about 27936.6058783096. The cubic root of 780453948 is about 920.6949490827.

The spelling of 780453948 in words is "seven hundred eighty million, four hundred fifty-three thousand, nine hundred forty-eight".