780133378 has 8 divisors (see below), whose sum is σ = 1171279872. Its totient is φ = 389706756.

The previous prime is 780133339. The next prime is 780133411. The reversal of 780133378 is 873331087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 780133378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177250 + ... + 181597.

It is an arithmetic number, because the mean of its divisors is an integer number (146409984).

Almost surely, 2^780133378 is an apocalyptic number.

780133378 is a deficient number, since it is larger than the sum of its proper divisors (391146494).

780133378 is a wasteful number, since it uses less digits than its factorization.

780133378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359936.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 780133378 is about 27930.8678347093. The cubic root of 780133378 is about 920.5688739097.

The spelling of 780133378 in words is "seven hundred eighty million, one hundred thirty-three thousand, three hundred seventy-eight".