77169873324 has 48 divisors (see below), whose sum is σ = 185001884928. Its totient is φ = 25018285248.

The previous prime is 77169873323. The next prime is 77169873349. The reversal of 77169873324 is 42337896177.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77169873323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149739 + ... + 1215005.

It is an arithmetic number, because the mean of its divisors is an integer number (3854205936).

Almost surely, 2^77169873324 is an apocalyptic number.

77169873324 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

77169873324 is an abundant number, since it is smaller than the sum of its proper divisors (107832011604).

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

77169873324 is a wasteful number, since it uses less digits than its factorization.

77169873324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67974 (or 67972 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 57.

The spelling of 77169873324 in words is "seventy-seven billion, one hundred sixty-nine million, eight hundred seventy-three thousand, three hundred twenty-four".