77008132 has 12 divisors (see below), whose sum is σ = 134827420. Its totient is φ = 38486016.

The previous prime is 77008103. The next prime is 77008133. The reversal of 77008132 is 23180077.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 71132356 = 2424^2 + 8434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77008132.

It is not an unprimeable number, because it can be changed into a prime (77008133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11044 + ... + 16612.

Almost surely, 2^77008132 is an apocalyptic number.

It is an amenable number.

77008132 is a deficient number, since it is larger than the sum of its proper divisors (57819288).

77008132 is a wasteful number, since it uses less digits than its factorization.

77008132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77008132 is about 8775.4277388626. The cubic root of 77008132 is about 425.4470626671.

The spelling of 77008132 in words is "seventy-seven million, eight thousand, one hundred thirty-two".