42799677 has 4 divisors (see below), whose sum is σ = 57066240. Its totient is φ = 28533116.

The previous prime is 42799661. The next prime is 42799699. The reversal of 42799677 is 77699724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42799677 - 2⁴ = 42799661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133277 + ... + 7133282.

It is an arithmetic number, because the mean of its divisors is an integer number (14266560).

Almost surely, 2^42799677 is an apocalyptic number.

It is an amenable number.

42799677 is a deficient number, since it is larger than the sum of its proper divisors (14266563).

42799677 is a wasteful number, since it uses less digits than its factorization.

42799677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266562.

The product of its digits is 1333584, while the sum is 51.

The square root of 42799677 is about 6542.1462074766. The cubic root of 42799677 is about 349.7949193133.

The spelling of 42799677 in words is "forty-two million, seven hundred ninety-nine thousand, six hundred seventy-seven".