53477340777 has 64 divisors (see below), whose sum is σ = 95563008000. Its totient is φ = 28873018944.

The previous prime is 53477340671. The next prime is 53477340781. The reversal of 53477340777 is 77704377435.

It is a happy number.

53477340777 is a `hidden beast` number, since 534 + 7 + 7 + 34 + 0 + 7 + 77 = 666.

It is not a de Polignac number, because 53477340777 - 2⁷ = 53477340649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53477341777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341343 + ... + 1380635.

It is an arithmetic number, because the mean of its divisors is an integer number (1493172000).

Almost surely, 2^53477340777 is an apocalyptic number.

53477340777 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53477340777 is a deficient number, since it is larger than the sum of its proper divisors (42085667223).

53477340777 is a wasteful number, since it uses less digits than its factorization.

53477340777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39707 (or 39701 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 54.

The spelling of 53477340777 in words is "fifty-three billion, four hundred seventy-seven million, three hundred forty thousand, seven hundred seventy-seven".