87845472038 has 4 divisors (see below), whose sum is σ = 131768208060. Its totient is φ = 43922736018.

The previous prime is 87845472037. The next prime is 87845472089. The reversal of 87845472038 is 83027454878.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87845472037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21961368008 + ... + 21961368011.

It is an arithmetic number, because the mean of its divisors is an integer number (32942052015).

Almost surely, 2^87845472038 is an apocalyptic number.

87845472038 is a deficient number, since it is larger than the sum of its proper divisors (43922736022).

87845472038 is a wasteful number, since it uses less digits than its factorization.

87845472038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43922736021.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 87845472038 in words is "eighty-seven billion, eight hundred forty-five million, four hundred seventy-two thousand, thirty-eight".