77146020102 has 16 divisors (see below), whose sum is σ = 154303119360. Its totient is φ = 25713493512.

The previous prime is 77146020089. The next prime is 77146020103. The reversal of 77146020102 is 20102064177.

It is a self number, because there is not a number n which added to its sum of digits gives 77146020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77146020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369702 + ... + 539417.

It is an arithmetic number, because the mean of its divisors is an integer number (9643944960).

Almost surely, 2^77146020102 is an apocalyptic number.

77146020102 is an abundant number, since it is smaller than the sum of its proper divisors (77157099258).

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

77146020102 is a wasteful number, since it uses less digits than its factorization.

77146020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923267.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 77146020102 its reverse (20102064177), we get a palindrome (97248084279).

The spelling of 77146020102 in words is "seventy-seven billion, one hundred forty-six million, twenty thousand, one hundred two".