46865807578 has 4 divisors (see below), whose sum is σ = 70298711370. Its totient is φ = 23432903788.

The previous prime is 46865807509. The next prime is 46865807579. The reversal of 46865807578 is 87570856864.

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

It can be written as a sum of positive squares in only one way, i.e., 46722119409 + 143688169 = 216153^2 + 11987^2 .

It is not an unprimeable number, because it can be changed into a prime (46865807579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716451893 + ... + 11716451896.

Almost surely, 2^46865807578 is an apocalyptic number.

46865807578 is a deficient number, since it is larger than the sum of its proper divisors (23432903792).

46865807578 is a wasteful number, since it uses less digits than its factorization.

46865807578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23432903791.

The product of its (nonzero) digits is 90316800, while the sum is 64.

The spelling of 46865807578 in words is "forty-six billion, eight hundred sixty-five million, eight hundred seven thousand, five hundred seventy-eight".