87653039450 has 48 divisors (see below), whose sum is σ = 163937304960. Its totient is φ = 34867584000.

The previous prime is 87653039437. The next prime is 87653039471. The reversal of 87653039450 is 5493035678.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7731386 + ... + 7742714.

It is an arithmetic number, because the mean of its divisors is an integer number (3415360520).

Almost surely, 2^87653039450 is an apocalyptic number.

87653039450 is a deficient number, since it is larger than the sum of its proper divisors (76284265510).

87653039450 is a wasteful number, since it uses less digits than its factorization.

87653039450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12183 (or 12178 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 87653039450 in words is "eighty-seven billion, six hundred fifty-three million, thirty-nine thousand, four hundred fifty".