780057952 has 24 divisors (see below), whose sum is σ = 1558664856. Its totient is φ = 384206592.

The previous prime is 780057931. The next prime is 780057953. The reversal of 780057952 is 259750087.

It is a junction number, because it is equal to n+sod(n) for n = 780057899 and 780057908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780057953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179773 + ... + 184060.

It is an arithmetic number, because the mean of its divisors is an integer number (64944369).

Almost surely, 2^780057952 is an apocalyptic number.

It is an amenable number.

780057952 is a deficient number, since it is larger than the sum of its proper divisors (778606904).

780057952 is a wasteful number, since it uses less digits than its factorization.

780057952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363910 (or 363902 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 780057952 is about 27929.5175754971. The cubic root of 780057952 is about 920.5392050233.

The spelling of 780057952 in words is "seven hundred eighty million, fifty-seven thousand, nine hundred fifty-two".