87051566781354 has 32 divisors (see below), whose sum is σ = 198989538005376. Its totient is φ = 24870060195840.

The previous prime is 87051566781281. The next prime is 87051566781427. The reversal of 87051566781354 is 45318766515078.

87051566781354 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (87051566781281) and next prime (87051566781427).

It is a super-2 number, since 2×87051566781354² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75085687 + ... + 76236234.

It is an arithmetic number, because the mean of its divisors is an integer number (6218423062668).

Almost surely, 2^{87051566781354} is an apocalyptic number.

87051566781354 is an abundant number, since it is smaller than the sum of its proper divisors (111937971224022).

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

87051566781354 is a wasteful number, since it uses less digits than its factorization.

87051566781354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151335630.

The product of its (nonzero) digits is 169344000, while the sum is 66.

The spelling of 87051566781354 in words is "eighty-seven trillion, fifty-one billion, five hundred sixty-six million, seven hundred eighty-one thousand, three hundred fifty-four".