780946152 has 32 divisors (see below), whose sum is σ = 2231275200. Its totient is φ = 223127424.

The previous prime is 780946121. The next prime is 780946193. The reversal of 780946152 is 251649087.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324077 + ... + 2324412.

It is an arithmetic number, because the mean of its divisors is an integer number (69727350).

Almost surely, 2^780946152 is an apocalyptic number.

It is an amenable number.

780946152 is an abundant number, since it is smaller than the sum of its proper divisors (1450329048).

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

780946152 is a wasteful number, since it uses less digits than its factorization.

780946152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648505 (or 4648501 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 780946152 is about 27945.4137918908. The cubic root of 780946152 is about 920.8884580464. Note that the first 3 decimals are identical.

The spelling of 780946152 in words is "seven hundred eighty million, nine hundred forty-six thousand, one hundred fifty-two".