102077760661199 has 4 divisors (see below), whose sum is σ = 102130135091400. Its totient is φ = 102025386231000.

The previous prime is 102077760661187. The next prime is 102077760661297. The reversal of 102077760661199 is 991166067770201.

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

It is a cyclic number.

It is not a de Polignac number, because 102077760661199 - 2⁴ = 102077760661183 is a prime.

It is a super-2 number, since 2×102077760661199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102077760661109) 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, 26187212177 + ... + 26187216074.

It is an arithmetic number, because the mean of its divisors is an integer number (25532533772850).

Almost surely, 2^{102077760661199} is an apocalyptic number.

102077760661199 is a deficient number, since it is larger than the sum of its proper divisors (52374430201).

102077760661199 is an equidigital number, since it uses as much as digits as its factorization.

102077760661199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52374430200.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 102077760661199 in words is "one hundred two trillion, seventy-seven billion, seven hundred sixty million, six hundred sixty-one thousand, one hundred ninety-nine".