42877461551 has 8 divisors (see below), whose sum is σ = 44866917504. Its totient is φ = 40925900160.

The previous prime is 42877461547. The next prime is 42877461703. The reversal of 42877461551 is 15516477824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42877461551 - 2² = 42877461547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42877461551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877461541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9471326 + ... + 9475851.

It is an arithmetic number, because the mean of its divisors is an integer number (5608364688).

Almost surely, 2^42877461551 is an apocalyptic number.

42877461551 is a deficient number, since it is larger than the sum of its proper divisors (1989455953).

42877461551 is a wasteful number, since it uses less digits than its factorization.

42877461551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947281.

The product of its digits is 1881600, while the sum is 50.

The spelling of 42877461551 in words is "forty-two billion, eight hundred seventy-seven million, four hundred sixty-one thousand, five hundred fifty-one".