87429069694 has 32 divisors (see below), whose sum is σ = 134812877472. Its totient is φ = 42499200000.

The previous prime is 87429069691. The next prime is 87429069709. The reversal of 87429069694 is 49696092478.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87429069691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45990144 + ... + 45992044.

It is an arithmetic number, because the mean of its divisors is an integer number (4212902421).

Almost surely, 2^87429069694 is an apocalyptic number.

87429069694 is a deficient number, since it is larger than the sum of its proper divisors (47383807778).

87429069694 is a wasteful number, since it uses less digits than its factorization.

87429069694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 87429069694 in words is "eighty-seven billion, four hundred twenty-nine million, sixty-nine thousand, six hundred ninety-four".