101006778479 has 2 divisors, whose sum is σ = 101006778480. Its totient is φ = 101006778478.

The previous prime is 101006778473. The next prime is 101006778533. The reversal of 101006778479 is 974877600101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101006778479 - 2⁴ = 101006778463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101006778473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50503389239 + 50503389240.

It is an arithmetic number, because the mean of its divisors is an integer number (50503389240).

Almost surely, 2^101006778479 is an apocalyptic number.

101006778479 is a deficient number, since it is larger than the sum of its proper divisors (1).

101006778479 is an equidigital number, since it uses as much as digits as its factorization.

101006778479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 101006778479 in words is "one hundred one billion, six million, seven hundred seventy-eight thousand, four hundred seventy-nine".