1552796879 has 2 divisors, whose sum is σ = 1552796880. Its totient is φ = 1552796878.

The previous prime is 1552796867. The next prime is 1552796923. The reversal of 1552796879 is 9786972551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552796879 - 2⁴ = 1552796863 is a prime.

It is a super-2 number, since 2×1552796879² = 4822356294864281282, which contains 22 as substring.

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 (1552796849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776398439 + 776398440.

It is an arithmetic number, because the mean of its divisors is an integer number (776398440).

Almost surely, 2^1552796879 is an apocalyptic number.

1552796879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552796879 is an equidigital number, since it uses as much as digits as its factorization.

1552796879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 59.

The square root of 1552796879 is about 39405.5437597301. The cubic root of 1552796879 is about 1157.9901977647.

The spelling of 1552796879 in words is "one billion, five hundred fifty-two million, seven hundred ninety-six thousand, eight hundred seventy-nine".