77489352 has 32 divisors (see below), whose sum is σ = 215248800. Its totient is φ = 25829712.

The previous prime is 77489333. The next prime is 77489393. The reversal of 77489352 is 25398477.

It is a junction number, because it is equal to n+sod(n) for n = 77489298 and 77489307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179158 + ... + 179589.

It is an arithmetic number, because the mean of its divisors is an integer number (6726525).

Almost surely, 2^77489352 is an apocalyptic number.

77489352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

77489352 is an abundant number, since it is smaller than the sum of its proper divisors (137759448).

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

77489352 is a wasteful number, since it uses less digits than its factorization.

77489352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358762 (or 358752 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 77489352 is about 8802.8036442942. The cubic root of 77489352 is about 426.3314223132.

It can be divided in two parts, 77489 and 352, that added together give a square (77841 = 279²).

The spelling of 77489352 in words is "seventy-seven million, four hundred eighty-nine thousand, three hundred fifty-two".