77140162102 has 16 divisors (see below), whose sum is σ = 118851968592. Its totient is φ = 37523092320.

The previous prime is 77140162049. The next prime is 77140162109. The reversal of 77140162102 is 20126104177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77140162109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596893 + ... + 714535.

It is an arithmetic number, because the mean of its divisors is an integer number (7428248037).

Almost surely, 2^77140162102 is an apocalyptic number.

77140162102 is a deficient number, since it is larger than the sum of its proper divisors (41711806490).

77140162102 is a wasteful number, since it uses less digits than its factorization.

77140162102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126543.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 77140162102 its reverse (20126104177), we get a palindrome (97266266279).

The spelling of 77140162102 in words is "seventy-seven billion, one hundred forty million, one hundred sixty-two thousand, one hundred two".