77025434162 has 4 divisors (see below), whose sum is σ = 115538151246. Its totient is φ = 38512717080.

The previous prime is 77025434141. The next prime is 77025434173. The reversal of 77025434162 is 26143452077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26143452077 = 115613 ⋅226129.

It can be written as a sum of positive squares in only one way, i.e., 76507006801 + 518427361 = 276599^2 + 22769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19256358539 + ... + 19256358542.

Almost surely, 2^77025434162 is an apocalyptic number.

77025434162 is a deficient number, since it is larger than the sum of its proper divisors (38512717084).

77025434162 is a wasteful number, since it uses less digits than its factorization.

77025434162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38512717083.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 77025434162 in words is "seventy-seven billion, twenty-five million, four hundred thirty-four thousand, one hundred sixty-two".