46634778771 has 24 divisors (see below), whose sum is σ = 75476346624. Its totient is φ = 25489815120.

The previous prime is 46634778767. The next prime is 46634778781. The reversal of 46634778771 is 17787743664.

It is not a de Polignac number, because 46634778771 - 2² = 46634778767 is a prime.

It is a super-2 number, since 2×46634778771² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46634778781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6893215 + ... + 6899976.

It is an arithmetic number, because the mean of its divisors is an integer number (3144847776).

Almost surely, 2^46634778771 is an apocalyptic number.

46634778771 is a deficient number, since it is larger than the sum of its proper divisors (28841567853).

46634778771 is a wasteful number, since it uses less digits than its factorization.

46634778771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793231 (or 13793224 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The spelling of 46634778771 in words is "forty-six billion, six hundred thirty-four million, seven hundred seventy-eight thousand, seven hundred seventy-one".