87874485765615 has 12 divisors (see below), whose sum is σ = 152315775327144. Its totient is φ = 46866392408304.

The previous prime is 87874485765611. The next prime is 87874485765641. The reversal of 87874485765615 is 51656758447878.

87874485765615 is a `hidden beast` number, since 8 + 7 + 8 + 7 + 4 + 48 + 5 + 7 + 6 + 561 + 5 = 666.

It is not a de Polignac number, because 87874485765615 - 2² = 87874485765611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87874485765611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976383175129 + ... + 976383175218.

It is an arithmetic number, because the mean of its divisors is an integer number (12692981277262).

Almost surely, 2^{87874485765615} is an apocalyptic number.

87874485765615 is a deficient number, since it is larger than the sum of its proper divisors (64441289561529).

87874485765615 is a wasteful number, since it uses less digits than its factorization.

87874485765615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952766350358 (or 1952766350355 counting only the distinct ones).

The product of its digits is 12644352000, while the sum is 81.

The spelling of 87874485765615 in words is "eighty-seven trillion, eight hundred seventy-four billion, four hundred eighty-five million, seven hundred sixty-five thousand, six hundred fifteen".