86152777747 has 4 divisors (see below), whose sum is σ = 86723326096. Its totient is φ = 85582229400.

The previous prime is 86152777727. The next prime is 86152777751. The reversal of 86152777747 is 74777725168.

It is a happy number.

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 86152777747 - 2¹⁹ = 86152253459 is a prime.

It is a super-2 number, since 2×86152777747² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86152777717) 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, 285273948 + ... + 285274249.

It is an arithmetic number, because the mean of its divisors is an integer number (21680831524).

Almost surely, 2^86152777747 is an apocalyptic number.

86152777747 is a deficient number, since it is larger than the sum of its proper divisors (570548349).

86152777747 is a wasteful number, since it uses less digits than its factorization.

86152777747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570548348.

The product of its digits is 32269440, while the sum is 61.

The spelling of 86152777747 in words is "eighty-six billion, one hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred forty-seven".