88020642819447 has 24 divisors (see below), whose sum is σ = 136934058110304. Its totient is φ = 54161383558464.

The previous prime is 88020642819413. The next prime is 88020642819509. The reversal of 88020642819447 is 74491824602088.

88020642819447 is a `hidden beast` number, since 8 + 80 + 2 + 0 + 6 + 428 + 1 + 94 + 47 = 666.

It is not a de Polignac number, because 88020642819447 - 2⁸ = 88020642819191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88020642819047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34641868 + ... + 37095825.

It is an arithmetic number, because the mean of its divisors is an integer number (5705585754596).

Almost surely, 2^{88020642819447} is an apocalyptic number.

88020642819447 is a deficient number, since it is larger than the sum of its proper divisors (48913415290857).

88020642819447 is a wasteful number, since it uses less digits than its factorization.

88020642819447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71748199 (or 71748196 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 88020642819447 in words is "eighty-eight trillion, twenty billion, six hundred forty-two million, eight hundred nineteen thousand, four hundred forty-seven".