88567640819 has 4 divisors (see below), whose sum is σ = 101220160944. Its totient is φ = 75915120696.

The previous prime is 88567640807. The next prime is 88567640867. The reversal of 88567640819 is 91804676588.

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 88567640819 - 2¹² = 88567636723 is a prime.

It is a super-2 number, since 2×88567640819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88567645819) 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, 6326260052 + ... + 6326260065.

It is an arithmetic number, because the mean of its divisors is an integer number (25305040236).

Almost surely, 2^88567640819 is an apocalyptic number.

88567640819 is a deficient number, since it is larger than the sum of its proper divisors (12652520125).

88567640819 is a wasteful number, since it uses less digits than its factorization.

88567640819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652520124.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 88567640819 in words is "eighty-eight billion, five hundred sixty-seven million, six hundred forty thousand, eight hundred nineteen".