87970535701 has 4 divisors (see below), whose sum is σ = 88014677452. Its totient is φ = 87926393952.

The previous prime is 87970535689. The next prime is 87970535707. The reversal of 87970535701 is 10753507978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10753507978 = 2 ⋅5376753989.

It can be written as a sum of positive squares in 2 ways, for example, as 62963857476 + 25006678225 = 250926^2 + 158135^2 .

It is a cyclic number.

It is not a de Polignac number, because 87970535701 - 2²³ = 87962147093 is a prime.

It is a super-2 number, since 2×87970535701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87970535707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22067886 + ... + 22071871.

It is an arithmetic number, because the mean of its divisors is an integer number (22003669363).

Almost surely, 2^87970535701 is an apocalyptic number.

It is an amenable number.

87970535701 is a deficient number, since it is larger than the sum of its proper divisors (44141751).

87970535701 is a wasteful number, since it uses less digits than its factorization.

87970535701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44141750.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 87970535701 in words is "eighty-seven billion, nine hundred seventy million, five hundred thirty-five thousand, seven hundred one".