770948564 has 6 divisors (see below), whose sum is σ = 1349159994. Its totient is φ = 385474280.

The previous prime is 770948537. The next prime is 770948573. The reversal of 770948564 is 465849077.

It can be written as a sum of positive squares in only one way, i.e., 709796164 + 61152400 = 26642^2 + 7820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96368567 + ... + 96368574.

It is an arithmetic number, because the mean of its divisors is an integer number (224859999).

Almost surely, 2^770948564 is an apocalyptic number.

It is an amenable number.

770948564 is a deficient number, since it is larger than the sum of its proper divisors (578211430).

770948564 is a wasteful number, since it uses less digits than its factorization.

770948564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192737145 (or 192737143 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 770948564 is about 27765.9605272355. The cubic root of 770948564 is about 916.9418637903.

It can be divided in two parts, 77094 and 8564, that added together give a palindrome (85658).

The spelling of 770948564 in words is "seven hundred seventy million, nine hundred forty-eight thousand, five hundred sixty-four".