87694784625 has 32 divisors (see below), whose sum is σ = 166770429696. Its totient is φ = 40089043200.

The previous prime is 87694784621. The next prime is 87694784659. The reversal of 87694784625 is 52648749678.

It is a happy number.

It is not a de Polignac number, because 87694784625 - 2² = 87694784621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87694784621) 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, 16701144 + ... + 16706393.

It is an arithmetic number, because the mean of its divisors is an integer number (5211575928).

Almost surely, 2^87694784625 is an apocalyptic number.

It is an amenable number.

87694784625 is a deficient number, since it is larger than the sum of its proper divisors (79075645071).

87694784625 is a wasteful number, since it uses less digits than its factorization.

87694784625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407562 (or 33407552 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 66.

The spelling of 87694784625 in words is "eighty-seven billion, six hundred ninety-four million, seven hundred eighty-four thousand, six hundred twenty-five".