84854701429 has 4 divisors (see below), whose sum is σ = 84855948460. Its totient is φ = 84853454400.

The previous prime is 84854701411. The next prime is 84854701447. The reversal of 84854701429 is 92410745848.

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

It is an interprime number because it is at equal distance from previous prime (84854701411) and next prime (84854701447).

It can be written as a sum of positive squares in 2 ways, for example, as 17975569329 + 66879132100 = 134073^2 + 258610^2 .

It is a cyclic number.

It is not a de Polignac number, because 84854701429 - 2⁵ = 84854701397 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 (84854701229) 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, 515172 + ... + 659629.

It is an arithmetic number, because the mean of its divisors is an integer number (21213987115).

Almost surely, 2^84854701429 is an apocalyptic number.

It is an amenable number.

84854701429 is a deficient number, since it is larger than the sum of its proper divisors (1247031).

84854701429 is a wasteful number, since it uses less digits than its factorization.

84854701429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247030.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 84854701429 in words is "eighty-four billion, eight hundred fifty-four million, seven hundred one thousand, four hundred twenty-nine".