46879881 has 4 divisors (see below), whose sum is σ = 62506512. Its totient is φ = 31253252.

The previous prime is 46879879. The next prime is 46879909. The reversal of 46879881 is 18897864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46879881 - 2¹ = 46879879 is a prime.

It is a super-2 number, since 2×46879881² = 4395446485148322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46879801) 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, 7813311 + ... + 7813316.

It is an arithmetic number, because the mean of its divisors is an integer number (15626628).

Almost surely, 2^46879881 is an apocalyptic number.

It is an amenable number.

46879881 is a deficient number, since it is larger than the sum of its proper divisors (15626631).

46879881 is a wasteful number, since it uses less digits than its factorization.

46879881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626630.

The product of its digits is 774144, while the sum is 51.

The square root of 46879881 is about 6846.8884173762. Note that the first 3 decimals coincide. The cubic root of 46879881 is about 360.5749070228.

The spelling of 46879881 in words is "forty-six million, eight hundred seventy-nine thousand, eight hundred eighty-one".