87661032142453 has 8 divisors (see below), whose sum is σ = 109291676437440. Its totient is φ = 68307297773280.

The previous prime is 87661032142433. The next prime is 87661032142469. The reversal of 87661032142453 is 35424123016678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87661032142453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87661032142453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87661032142433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569227481368 + ... + 569227481521.

It is an arithmetic number, because the mean of its divisors is an integer number (13661459554680).

Almost surely, 2^{87661032142453} is an apocalyptic number.

It is an amenable number.

87661032142453 is a deficient number, since it is larger than the sum of its proper divisors (21630644294987).

87661032142453 is a wasteful number, since it uses less digits than its factorization.

87661032142453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138454962907.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 87661032142453 in words is "eighty-seven trillion, six hundred sixty-one billion, thirty-two million, one hundred forty-two thousand, four hundred fifty-three".