5187126807 has 24 divisors (see below), whose sum is σ = 7605411840. Its totient is φ = 3406188240.

The previous prime is 5187126803. The next prime is 5187126811. The reversal of 5187126807 is 7086217815.

It is a happy number.

5187126807 is a `hidden beast` number, since 518 + 7 + 126 + 8 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (5187126803) and next prime (5187126811).

It is not a de Polignac number, because 5187126807 - 2² = 5187126803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187126803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297978 + ... + 314904.

It is an arithmetic number, because the mean of its divisors is an integer number (316892160).

Almost surely, 2^5187126807 is an apocalyptic number.

5187126807 is a deficient number, since it is larger than the sum of its proper divisors (2418285033).

5187126807 is a wasteful number, since it uses less digits than its factorization.

5187126807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17443 (or 17440 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 5187126807 is about 72021.7106642157. The cubic root of 5187126807 is about 1731.0473801768.

The spelling of 5187126807 in words is "five billion, one hundred eighty-seven million, one hundred twenty-six thousand, eight hundred seven".