87290443316 has 6 divisors (see below), whose sum is σ = 152758275810. Its totient is φ = 43645221656.

The previous prime is 87290443313. The next prime is 87290443351. The reversal of 87290443316 is 61334409278.

It can be written as a sum of positive squares in only one way, i.e., 85211448100 + 2078995216 = 291910^2 + 45596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87290443313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10911305411 + ... + 10911305418.

It is an arithmetic number, because the mean of its divisors is an integer number (25459712635).

Almost surely, 2^87290443316 is an apocalyptic number.

It is an amenable number.

87290443316 is a deficient number, since it is larger than the sum of its proper divisors (65467832494).

87290443316 is a wasteful number, since it uses less digits than its factorization.

87290443316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21822610833 (or 21822610831 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 87290443316 in words is "eighty-seven billion, two hundred ninety million, four hundred forty-three thousand, three hundred sixteen".