87883860651 has 4 divisors (see below), whose sum is σ = 117178480872. Its totient is φ = 58589240432.

The previous prime is 87883860613. The next prime is 87883860661. The reversal of 87883860651 is 15606838878.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87883860651 - 2¹⁴ = 87883844267 is a prime.

It is a super-2 number, since 2×87883860651² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87883860661) 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, 14647310106 + ... + 14647310111.

It is an arithmetic number, because the mean of its divisors is an integer number (29294620218).

Almost surely, 2^87883860651 is an apocalyptic number.

87883860651 is a deficient number, since it is larger than the sum of its proper divisors (29294620221).

87883860651 is a wasteful number, since it uses less digits than its factorization.

87883860651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29294620220.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 87883860651 in words is "eighty-seven billion, eight hundred eighty-three million, eight hundred sixty thousand, six hundred fifty-one".