2777985042 has 16 divisors (see below), whose sum is σ = 6349680192. Its totient is φ = 793710000.

The previous prime is 2777985019. The next prime is 2777985043. The reversal of 2777985042 is 2405897772.

It is a super-3 number, since 3×2777985042³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2777985043) 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, 33071209 + ... + 33071292.

It is an arithmetic number, because the mean of its divisors is an integer number (396855012).

Almost surely, 2^2777985042 is an apocalyptic number.

2777985042 is an abundant number, since it is smaller than the sum of its proper divisors (3571695150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2777985042 is a wasteful number, since it uses less digits than its factorization.

2777985042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66142513.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 2777985042 is about 52706.5939138548. The cubic root of 2777985042 is about 1405.7560706498.

The spelling of 2777985042 in words is "two billion, seven hundred seventy-seven million, nine hundred eighty-five thousand, forty-two".