673407500087 has 8 divisors (see below), whose sum is σ = 769716583200. Its totient is φ = 577125419904.

The previous prime is 673407500083. The next prime is 673407500123. The reversal of 673407500087 is 780005704376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673407500087 - 2² = 673407500083 is a prime.

It is a super-2 number, since 2×673407500087² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673407500081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6697262 + ... + 6797067.

It is an arithmetic number, because the mean of its divisors is an integer number (96214572900).

Almost surely, 2^673407500087 is an apocalyptic number.

673407500087 is a deficient number, since it is larger than the sum of its proper divisors (96309083113).

673407500087 is a wasteful number, since it uses less digits than its factorization.

673407500087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501465.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 673407500087 in words is "six hundred seventy-three billion, four hundred seven million, five hundred thousand, eighty-seven".