102089626979 has 2 divisors, whose sum is σ = 102089626980. Its totient is φ = 102089626978.

The previous prime is 102089626967. The next prime is 102089627011. The reversal of 102089626979 is 979626980201.

It is a weak prime.

It is an emirp because it is prime and its reverse (979626980201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102089626979 - 2¹⁶ = 102089561443 is a prime.

It is a super-2 number, since 2×102089626979² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102089626909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51044813489 + 51044813490.

It is an arithmetic number, because the mean of its divisors is an integer number (51044813490).

Almost surely, 2^102089626979 is an apocalyptic number.

102089626979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102089626979 is an equidigital number, since it uses as much as digits as its factorization.

102089626979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 102089626979 in words is "one hundred two billion, eighty-nine million, six hundred twenty-six thousand, nine hundred seventy-nine".