770378582478 has 32 divisors (see below), whose sum is σ = 1554109286400. Its totient is φ = 254571524480.

The previous prime is 770378582473. The next prime is 770378582521. The reversal of 770378582478 is 874285873077.

770378582478 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770378582473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266323 + ... + 1269521.

It is an arithmetic number, because the mean of its divisors is an integer number (48565915200).

Almost surely, 2^770378582478 is an apocalyptic number.

770378582478 is an abundant number, since it is smaller than the sum of its proper divisors (783730703922).

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

770378582478 is a wasteful number, since it uses less digits than its factorization.

770378582478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004312.

The product of its (nonzero) digits is 147517440, while the sum is 66.

The spelling of 770378582478 in words is "seven hundred seventy billion, three hundred seventy-eight million, five hundred eighty-two thousand, four hundred seventy-eight".