46777372777 has 2 divisors, whose sum is σ = 46777372778. Its totient is φ = 46777372776.

The previous prime is 46777372769. The next prime is 46777372783. The reversal of 46777372777 is 77727377764.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25747732521 + 21029640256 = 160461^2 + 145016^2 .

It is a cyclic number.

It is not a de Polignac number, because 46777372777 - 2³ = 46777372769 is a prime.

It is not a weakly prime, because it can be changed into another prime (46777372757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23388686388 + 23388686389.

It is an arithmetic number, because the mean of its divisors is an integer number (23388686389).

Almost surely, 2^46777372777 is an apocalyptic number.

It is an amenable number.

46777372777 is a deficient number, since it is larger than the sum of its proper divisors (1).

46777372777 is an equidigital number, since it uses as much as digits as its factorization.

46777372777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118590192, while the sum is 64.

The spelling of 46777372777 in words is "forty-six billion, seven hundred seventy-seven million, three hundred seventy-two thousand, seven hundred seventy-seven".