87795957716 has 6 divisors (see below), whose sum is σ = 153642926010. Its totient is φ = 43897978856.

The previous prime is 87795957707. The next prime is 87795957721. The reversal of 87795957716 is 61775959778.

It can be written as a sum of positive squares in only one way, i.e., 60108328900 + 27687628816 = 245170^2 + 166396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87795957716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10974494711 + ... + 10974494718.

It is an arithmetic number, because the mean of its divisors is an integer number (25607154335).

Almost surely, 2^87795957716 is an apocalyptic number.

It is an amenable number.

87795957716 is a deficient number, since it is larger than the sum of its proper divisors (65846968294).

87795957716 is a wasteful number, since it uses less digits than its factorization.

87795957716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21948989433 (or 21948989431 counting only the distinct ones).

The product of its digits is 233377200, while the sum is 71.

The spelling of 87795957716 in words is "eighty-seven billion, seven hundred ninety-five million, nine hundred fifty-seven thousand, seven hundred sixteen".