780162768 has 240 divisors, whose sum is σ = 2763251712. Its totient is φ = 199584000.

The previous prime is 780162731. The next prime is 780162769. The reversal of 780162768 is 867261087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780162769) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786753 + ... + 787743.

Almost surely, 2^780162768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780162768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381625856).

780162768 is an abundant number, since it is smaller than the sum of its proper divisors (1983088944).

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

780162768 is a wasteful number, since it uses less digits than its factorization.

780162768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 780162768 is about 27931.3939501773. The cubic root of 780162768 is about 920.5804339755.

The spelling of 780162768 in words is "seven hundred eighty million, one hundred sixty-two thousand, seven hundred sixty-eight".