87526940673 has 16 divisors (see below), whose sum is σ = 124790893056. Its totient is φ = 54375110400.

The previous prime is 87526940663. The next prime is 87526940687. The reversal of 87526940673 is 37604962578.

It is not a de Polignac number, because 87526940673 - 2⁹ = 87526940161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87526940623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8490961 + ... + 8501262.

It is an arithmetic number, because the mean of its divisors is an integer number (7799430816).

Almost surely, 2^87526940673 is an apocalyptic number.

It is an amenable number.

87526940673 is a deficient number, since it is larger than the sum of its proper divisors (37263952383).

87526940673 is a wasteful number, since it uses less digits than its factorization.

87526940673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16992344.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 87526940673 in words is "eighty-seven billion, five hundred twenty-six million, nine hundred forty thousand, six hundred seventy-three".