46777751778 has 8 divisors (see below), whose sum is σ = 93555503568. Its totient is φ = 15592583924.

The previous prime is 46777751773. The next prime is 46777751821. The reversal of 46777751778 is 87715777764.

46777751778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

46777751778 is an admirable number.

It is a super-2 number, since 2×46777751778² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46777751771) 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, 3898145976 + ... + 3898145987.

It is an arithmetic number, because the mean of its divisors is an integer number (11694437946).

Almost surely, 2^46777751778 is an apocalyptic number.

46777751778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46777751778 is a wasteful number, since it uses less digits than its factorization.

46777751778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796291968.

The product of its digits is 112943040, while the sum is 66.

The spelling of 46777751778 in words is "forty-six billion, seven hundred seventy-seven million, seven hundred fifty-one thousand, seven hundred seventy-eight".