780488 has 8 divisors (see below), whose sum is σ = 1463430. Its totient is φ = 390240.

The previous prime is 780469. The next prime is 780499. The reversal of 780488 is 884087.

780488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 9604 = 878^2 + 98^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

780488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48773 + ... + 48788.

2⁷⁸⁰⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

780488 is a deficient number, since it is larger than the sum of its proper divisors (682942).

780488 is a wasteful number, since it uses less digits than its factorization.

780488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97567 (or 97563 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 780488 is about 883.4523190303. The cubic root of 780488 is about 92.0708339174.

The spelling of 780488 in words is "seven hundred eighty thousand, four hundred eighty-eight".