1429872885 has 32 divisors (see below), whose sum is σ = 2905140480. Its totient is φ = 653655744.

The previous prime is 1429872863. The next prime is 1429872889. The reversal of 1429872885 is 5882789241.

It is not a de Polignac number, because 1429872885 - 2⁹ = 1429872373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429872889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755602 + ... + 757491.

It is an arithmetic number, because the mean of its divisors is an integer number (90785640).

Almost surely, 2^1429872885 is an apocalyptic number.

1429872885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1429872885 is an abundant number, since it is smaller than the sum of its proper divisors (1475267595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429872885 is a wasteful number, since it uses less digits than its factorization.

1429872885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513114 (or 1513108 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 1429872885 is about 37813.6600317927. The cubic root of 1429872885 is about 1126.5897878968.

The spelling of 1429872885 in words is "one billion, four hundred twenty-nine million, eight hundred seventy-two thousand, eight hundred eighty-five".