67748850477 has 24 divisors (see below), whose sum is σ = 122006589120. Its totient is φ = 35194207680.

The previous prime is 67748850461. The next prime is 67748850497. The reversal of 67748850477 is 77405884776.

67748850477 is a `hidden beast` number, since 6 + 77 + 48 + 8 + 50 + 477 = 666.

It is not a de Polignac number, because 67748850477 - 2⁴ = 67748850461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67748850427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48880152 + ... + 48881537.

It is an arithmetic number, because the mean of its divisors is an integer number (5083607880).

Almost surely, 2^67748850477 is an apocalyptic number.

It is an amenable number.

67748850477 is a deficient number, since it is larger than the sum of its proper divisors (54257738643).

67748850477 is a wasteful number, since it uses less digits than its factorization.

67748850477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97761713 (or 97761710 counting only the distinct ones).

The product of its (nonzero) digits is 73758720, while the sum is 63.

The spelling of 67748850477 in words is "sixty-seven billion, seven hundred forty-eight million, eight hundred fifty thousand, four hundred seventy-seven".