102078161759 has 12 divisors (see below), whose sum is σ = 120370618224. Its totient is φ = 86296994784.

The previous prime is 102078161753. The next prime is 102078161761. The reversal of 102078161759 is 957161870201.

It is not a de Polignac number, because 102078161759 - 2⁸ = 102078161503 is a prime.

It is a super-2 number, since 2×102078161759² (a number of 23 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 (102078161753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14265107 + ... + 14272260.

It is an arithmetic number, because the mean of its divisors is an integer number (10030884852).

Almost surely, 2^102078161759 is an apocalyptic number.

102078161759 is a deficient number, since it is larger than the sum of its proper divisors (18292456465).

102078161759 is an equidigital number, since it uses as much as digits as its factorization.

102078161759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537454 (or 28537447 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 102078161759 in words is "one hundred two billion, seventy-eight million, one hundred sixty-one thousand, seven hundred fifty-nine".