67477718045 has 16 divisors (see below), whose sum is σ = 82138053888. Its totient is φ = 53206097280.

The previous prime is 67477718003. The next prime is 67477718071. The reversal of 67477718045 is 54081777476.

It is not a de Polignac number, because 67477718045 - 2¹² = 67477713949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254137 + ... + 1306833.

It is an arithmetic number, because the mean of its divisors is an integer number (5133628368).

Almost surely, 2^67477718045 is an apocalyptic number.

It is an amenable number.

67477718045 is a deficient number, since it is larger than the sum of its proper divisors (14660335843).

67477718045 is a wasteful number, since it uses less digits than its factorization.

67477718045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56380.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 67477718045 in words is "sixty-seven billion, four hundred seventy-seven million, seven hundred eighteen thousand, forty-five".