770013242820 has 144 divisors (see below), whose sum is σ = 2458967172480. Its totient is φ = 194503680000.

The previous prime is 770013242819. The next prime is 770013242941. The reversal of 770013242820 is 28242310077.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 48114820 + ... + 48130820.

It is an arithmetic number, because the mean of its divisors is an integer number (17076160920).

Almost surely, 2^770013242820 is an apocalyptic number.

It is an amenable number.

770013242820 is an abundant number, since it is smaller than the sum of its proper divisors (1688953929660).

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

770013242820 is a wasteful number, since it uses less digits than its factorization.

770013242820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30106 (or 30101 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 770013242820 its reverse (28242310077), we get a palindrome (798255552897).

The spelling of 770013242820 in words is "seven hundred seventy billion, thirteen million, two hundred forty-two thousand, eight hundred twenty".