67870999431 has 12 divisors (see below), whose sum is σ = 98040605208. Its totient is φ = 45245155824.

The previous prime is 67870999429. The next prime is 67870999451. The reversal of 67870999431 is 13499907876.

It is not a de Polignac number, because 67870999431 - 2¹ = 67870999429 is a prime.

It is a super-2 number, since 2×67870999431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67870999421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28836 + ... + 369558.

It is an arithmetic number, because the mean of its divisors is an integer number (8170050434).

Almost surely, 2^67870999431 is an apocalyptic number.

67870999431 is a deficient number, since it is larger than the sum of its proper divisors (30169605777).

67870999431 is a wasteful number, since it uses less digits than its factorization.

67870999431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362862 (or 362859 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 67870999431 in words is "sixty-seven billion, eight hundred seventy million, nine hundred ninety-nine thousand, four hundred thirty-one".