46777881 has 4 divisors (see below), whose sum is σ = 62370512. Its totient is φ = 31185252.

The previous prime is 46777823. The next prime is 46777901. The reversal of 46777881 is 18877764.

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 not a de Polignac number, because 46777881 - 2⁶ = 46777817 is a prime.

It is a super-2 number, since 2×46777881² = 4376340301700322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46777881.

It is not an unprimeable number, because it can be changed into a prime (46777681) 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, 7796311 + ... + 7796316.

It is an arithmetic number, because the mean of its divisors is an integer number (15592628).

Almost surely, 2^46777881 is an apocalyptic number.

It is an amenable number.

46777881 is a deficient number, since it is larger than the sum of its proper divisors (15592631).

46777881 is a wasteful number, since it uses less digits than its factorization.

46777881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592630.

The product of its digits is 526848, while the sum is 48.

The square root of 46777881 is about 6839.4357223385. The cubic root of 46777881 is about 360.3132073624.

The spelling of 46777881 in words is "forty-six million, seven hundred seventy-seven thousand, eight hundred eighty-one".