102078679 has 2 divisors, whose sum is σ = 102078680. Its totient is φ = 102078678.

The previous prime is 102078677. The next prime is 102078701. The reversal of 102078679 is 976870201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102078679 - 2¹ = 102078677 is a prime.

Together with 102078677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102078677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51039339 + 51039340.

It is an arithmetic number, because the mean of its divisors is an integer number (51039340).

Almost surely, 2^102078679 is an apocalyptic number.

102078679 is a deficient number, since it is larger than the sum of its proper divisors (1).

102078679 is an equidigital number, since it uses as much as digits as its factorization.

102078679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 102078679 is about 10103.3993784270. The cubic root of 102078679 is about 467.3529773032.

The spelling of 102078679 in words is "one hundred two million, seventy-eight thousand, six hundred seventy-nine".