780117464 has 16 divisors (see below), whose sum is σ = 1671680400. Its totient is φ = 334336032.

The previous prime is 780117463. The next prime is 780117479. The reversal of 780117464 is 464711087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780117463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965279 + ... + 6965390.

It is an arithmetic number, because the mean of its divisors is an integer number (104480025).

Almost surely, 2^780117464 is an apocalyptic number.

It is an amenable number.

780117464 is an abundant number, since it is smaller than the sum of its proper divisors (891562936).

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

780117464 is a wasteful number, since it uses less digits than its factorization.

780117464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930682 (or 13930678 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 780117464 is about 27930.5829513098. The cubic root of 780117464 is about 920.5626142824.

The spelling of 780117464 in words is "seven hundred eighty million, one hundred seventeen thousand, four hundred sixty-four".