6451802087 has 4 divisors (see below), whose sum is σ = 6601844040. Its totient is φ = 6301760136.

The previous prime is 6451802081. The next prime is 6451802113. The reversal of 6451802087 is 7802081546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6451802087 - 2¹⁸ = 6451539943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451802081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75020912 + ... + 75020997.

It is an arithmetic number, because the mean of its divisors is an integer number (1650461010).

Almost surely, 2^6451802087 is an apocalyptic number.

6451802087 is a deficient number, since it is larger than the sum of its proper divisors (150041953).

6451802087 is a wasteful number, since it uses less digits than its factorization.

6451802087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150041952.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 6451802087 is about 80323.1105411139. The cubic root of 6451802087 is about 1861.6313285716.

The spelling of 6451802087 in words is "six billion, four hundred fifty-one million, eight hundred two thousand, eighty-seven".