770842380 has 96 divisors (see below), whose sum is σ = 2690956800. Its totient is φ = 160174080.

The previous prime is 770842361. The next prime is 770842393. The reversal of 770842380 is 83248077.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78805 + ... + 88044.

It is an arithmetic number, because the mean of its divisors is an integer number (28030800).

Almost surely, 2^770842380 is an apocalyptic number.

770842380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

770842380 is an abundant number, since it is smaller than the sum of its proper divisors (1920114420).

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

770842380 is a wasteful number, since it uses less digits than its factorization.

770842380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166879 (or 166877 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 770842380 is about 27764.0483359326. The cubic root of 770842380 is about 916.8997645592.

The spelling of 770842380 in words is "seven hundred seventy million, eight hundred forty-two thousand, three hundred eighty".