87772471541 has 8 divisors (see below), whose sum is σ = 88088431200. Its totient is φ = 87457019760.

The previous prime is 87772471517. The next prime is 87772471543. The reversal of 87772471541 is 14517427778.

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-87772471541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87772471543) 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, 221006 + ... + 473696.

It is an arithmetic number, because the mean of its divisors is an integer number (11011053900).

Almost surely, 2^87772471541 is an apocalyptic number.

It is an amenable number.

87772471541 is a deficient number, since it is larger than the sum of its proper divisors (315959659).

87772471541 is a wasteful number, since it uses less digits than its factorization.

87772471541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253939.

The product of its digits is 3073280, while the sum is 53.

The spelling of 87772471541 in words is "eighty-seven billion, seven hundred seventy-two million, four hundred seventy-one thousand, five hundred forty-one".