770641486650 has 72 divisors (see below), whose sum is σ = 2366236345824. Its totient is φ = 176146624800.

The previous prime is 770641486649. The next prime is 770641486663. The reversal of 770641486650 is 56684146077.

770641486650 is a `hidden beast` number, since 7 + 70 + 6 + 41 + 486 + 6 + 50 = 666.

It is a super-2 number, since 2×770641486650² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122320896 + ... + 122327195.

It is an arithmetic number, because the mean of its divisors is an integer number (32864393692).

Almost surely, 2^770641486650 is an apocalyptic number.

770641486650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

770641486650 is an abundant number, since it is smaller than the sum of its proper divisors (1595594859174).

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

770641486650 is a wasteful number, since it uses less digits than its factorization.

770641486650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244648116 (or 244648108 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 770641486650 in words is "seven hundred seventy billion, six hundred forty-one million, four hundred eighty-six thousand, six hundred fifty".