87542153420 has 24 divisors (see below), whose sum is σ = 186053447664. Its totient is φ = 34594970816.

The previous prime is 87542153411. The next prime is 87542153449. The reversal of 87542153420 is 2435124578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26366459 + ... + 26369778.

It is an arithmetic number, because the mean of its divisors is an integer number (7752226986).

Almost surely, 2^87542153420 is an apocalyptic number.

It is an amenable number.

87542153420 is an abundant number, since it is smaller than the sum of its proper divisors (98511294244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87542153420 is a wasteful number, since it uses less digits than its factorization.

87542153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52736329 (or 52736327 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

Adding to 87542153420 its reverse (2435124578), we get a palindrome (89977277998).

The spelling of 87542153420 in words is "eighty-seven billion, five hundred forty-two million, one hundred fifty-three thousand, four hundred twenty".