70129170087 has 16 divisors (see below), whose sum is σ = 94805238528. Its totient is φ = 46106709120.

The previous prime is 70129170053. The next prime is 70129170101. The reversal of 70129170087 is 78007192107.

It is not a de Polignac number, because 70129170087 - 2¹⁵ = 70129137319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70129170887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396393 + ... + 545330.

It is an arithmetic number, because the mean of its divisors is an integer number (5925327408).

Almost surely, 2^70129170087 is an apocalyptic number.

70129170087 is a deficient number, since it is larger than the sum of its proper divisors (24676068441).

70129170087 is a wasteful number, since it uses less digits than its factorization.

70129170087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942070.

The product of its (nonzero) digits is 49392, while the sum is 42.

The spelling of 70129170087 in words is "seventy billion, one hundred twenty-nine million, one hundred seventy thousand, eighty-seven".