42077257719 has 32 divisors (see below), whose sum is σ = 69170319360. Its totient is φ = 22202798592.

The previous prime is 42077257687. The next prime is 42077257837. The reversal of 42077257719 is 91775277024.

It is not a de Polignac number, because 42077257719 - 2⁵ = 42077257687 is a prime.

It is a super-2 number, since 2×42077257719² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42077257619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092999 + ... + 1130840.

It is an arithmetic number, because the mean of its divisors is an integer number (2161572480).

Almost surely, 2^42077257719 is an apocalyptic number.

42077257719 is a deficient number, since it is larger than the sum of its proper divisors (27093061641).

42077257719 is a wasteful number, since it uses less digits than its factorization.

42077257719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223919.

The product of its (nonzero) digits is 1728720, while the sum is 51.

The spelling of 42077257719 in words is "forty-two billion, seventy-seven million, two hundred fifty-seven thousand, seven hundred nineteen".