87508158782 has 16 divisors (see below), whose sum is σ = 143225980272. Its totient is φ = 39767877120.

The previous prime is 87508158781. The next prime is 87508158821. The reversal of 87508158782 is 28785180578.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87508158781) 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, 322793 + ... + 528404.

It is an arithmetic number, because the mean of its divisors is an integer number (8951623767).

Almost surely, 2^87508158782 is an apocalyptic number.

87508158782 is a deficient number, since it is larger than the sum of its proper divisors (55717821490).

87508158782 is a wasteful number, since it uses less digits than its factorization.

87508158782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855883.

The product of its (nonzero) digits is 10035200, while the sum is 59.

The spelling of 87508158782 in words is "eighty-seven billion, five hundred eight million, one hundred fifty-eight thousand, seven hundred eighty-two".