771872270448 has 20 divisors (see below), whose sum is σ = 1994003365448. Its totient is φ = 257290756800.

The previous prime is 771872270443. The next prime is 771872270453. The reversal of 771872270448 is 844072278177.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (771872270443) and next prime (771872270453).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771872270443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8040336103 + ... + 8040336198.

Almost surely, 2^771872270448 is an apocalyptic number.

It is an amenable number.

771872270448 is an abundant number, since it is smaller than the sum of its proper divisors (1222131095000).

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

771872270448 is a wasteful number, since it uses less digits than its factorization.

771872270448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080672312 (or 16080672306 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 57.

The spelling of 771872270448 in words is "seven hundred seventy-one billion, eight hundred seventy-two million, two hundred seventy thousand, four hundred forty-eight".