77136002 has 4 divisors (see below), whose sum is σ = 115704006. Its totient is φ = 38568000.

The previous prime is 77135983. The next prime is 77136011. The reversal of 77136002 is 20063177.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 34351321 = 6541^2 + 5861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19283999 + ... + 19284002.

Almost surely, 2^77136002 is an apocalyptic number.

77136002 is a deficient number, since it is larger than the sum of its proper divisors (38568004).

77136002 is a wasteful number, since it uses less digits than its factorization.

77136002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38568003.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 77136002 is about 8782.7104016926. The cubic root of 77136002 is about 425.6824137106.

Adding to 77136002 its reverse (20063177), we get a palindrome (97199179).

The spelling of 77136002 in words is "seventy-seven million, one hundred thirty-six thousand, two".