5202077891 has 2 divisors, whose sum is σ = 5202077892. Its totient is φ = 5202077890.

The previous prime is 5202077869. The next prime is 5202077899. The reversal of 5202077891 is 1987702025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5202077891 - 2¹⁴ = 5202061507 is a prime.

It is a super-2 number, since 2×5202077891² = 54123228768062015762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5202077899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601038945 + 2601038946.

It is an arithmetic number, because the mean of its divisors is an integer number (2601038946).

Almost surely, 2^5202077891 is an apocalyptic number.

5202077891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5202077891 is an equidigital number, since it uses as much as digits as its factorization.

5202077891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 5202077891 is about 72125.4316520879. The cubic root of 5202077891 is about 1732.7089428285.

The spelling of 5202077891 in words is "five billion, two hundred two million, seventy-seven thousand, eight hundred ninety-one".