42077147608 has 8 divisors (see below), whose sum is σ = 78894651780. Its totient is φ = 21038573800.

The previous prime is 42077147603. The next prime is 42077147617. The reversal of 42077147608 is 80674177024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42077147603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629821718 + ... + 2629821733.

Almost surely, 2^42077147608 is an apocalyptic number.

It is an amenable number.

42077147608 is a deficient number, since it is larger than the sum of its proper divisors (36817504172).

42077147608 is a wasteful number, since it uses less digits than its factorization.

42077147608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259643457 (or 5259643453 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 42077147608 in words is "forty-two billion, seventy-seven million, one hundred forty-seven thousand, six hundred eight".