616672079 has 2 divisors, whose sum is σ = 616672080. Its totient is φ = 616672078.

The previous prime is 616672061. The next prime is 616672123. The reversal of 616672079 is 970276616.

616672079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (616672123) can be obtained adding 616672079 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616672079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616672019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308336039 + 308336040.

It is an arithmetic number, because the mean of its divisors is an integer number (308336040).

Almost surely, 2^616672079 is an apocalyptic number.

616672079 is a deficient number, since it is larger than the sum of its proper divisors (1).

616672079 is an equidigital number, since it uses as much as digits as its factorization.

616672079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 616672079 is about 24832.8830182885. The cubic root of 616672079 is about 851.1735020811.

The spelling of 616672079 in words is "six hundred sixteen million, six hundred seventy-two thousand, seventy-nine".