879770747 has 2 divisors, whose sum is σ = 879770748. Its totient is φ = 879770746.

The previous prime is 879770729. The next prime is 879770777. The reversal of 879770747 is 747077978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 879770747 - 2⁸ = 879770491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879770692 and 879770701.

It is not a weakly prime, because it can be changed into another prime (879770707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439885373 + 439885374.

It is an arithmetic number, because the mean of its divisors is an integer number (439885374).

Almost surely, 2^879770747 is an apocalyptic number.

879770747 is a deficient number, since it is larger than the sum of its proper divisors (1).

879770747 is an equidigital number, since it uses as much as digits as its factorization.

879770747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4840416, while the sum is 56.

The square root of 879770747 is about 29660.9296381621. The cubic root of 879770747 is about 958.2007484749.

The spelling of 879770747 in words is "eight hundred seventy-nine million, seven hundred seventy thousand, seven hundred forty-seven".