772171547325 has 96 divisors (see below), whose sum is σ = 1367607110400. Its totient is φ = 383073976320.

The previous prime is 772171547311. The next prime is 772171547339. The reversal of 772171547325 is 523745171277.

It is an interprime number because it is at equal distance from previous prime (772171547311) and next prime (772171547339).

It is not a de Polignac number, because 772171547325 - 2⁴ = 772171547309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 51715461 + ... + 51730389.

It is an arithmetic number, because the mean of its divisors is an integer number (14245907400).

Almost surely, 2^772171547325 is an apocalyptic number.

772171547325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

772171547325 is a deficient number, since it is larger than the sum of its proper divisors (595435563075).

772171547325 is a wasteful number, since it uses less digits than its factorization.

772171547325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15431 (or 15426 counting only the distinct ones).

The product of its digits is 2881200, while the sum is 51.

The spelling of 772171547325 in words is "seven hundred seventy-two billion, one hundred seventy-one million, five hundred forty-seven thousand, three hundred twenty-five".