87970606979 has 8 divisors (see below), whose sum is σ = 93153825648. Its totient is φ = 82788330240.

The previous prime is 87970606963. The next prime is 87970606987. The reversal of 87970606979 is 97960607978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87970606979 - 2⁴ = 87970606963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87970605979) 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, 38477 + ... + 421214.

It is an arithmetic number, because the mean of its divisors is an integer number (11644228206).

Almost surely, 2^87970606979 is an apocalyptic number.

87970606979 is a deficient number, since it is larger than the sum of its proper divisors (5183218669).

87970606979 is a wasteful number, since it uses less digits than its factorization.

87970606979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470965.

The product of its (nonzero) digits is 72013536, while the sum is 68.

Subtracting 87970606979 from its reverse (97960607978), we obtain a palindrome (9990000999).

The spelling of 87970606979 in words is "eighty-seven billion, nine hundred seventy million, six hundred six thousand, nine hundred seventy-nine".