77283132 has 24 divisors (see below), whose sum is σ = 180472656. Its totient is φ = 25740288.

The previous prime is 77283109. The next prime is 77283161. The reversal of 77283132 is 23138277.

It is a junction number, because it is equal to n+sod(n) for n = 77283093 and 77283102.

It is a congruent number.

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, 23068 + ... + 26204.

It is an arithmetic number, because the mean of its divisors is an integer number (7519694).

Almost surely, 2^77283132 is an apocalyptic number.

It is an amenable number.

77283132 is an abundant number, since it is smaller than the sum of its proper divisors (103189524).

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

77283132 is a wasteful number, since it uses less digits than its factorization.

77283132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 77283132 is about 8791.0825271977. The cubic root of 77283132 is about 425.9528921437.

The spelling of 77283132 in words is "seventy-seven million, two hundred eighty-three thousand, one hundred thirty-two".