2071577988 has 36 divisors (see below), whose sum is σ = 5240687088. Its totient is φ = 689972400.

The previous prime is 2071577987. The next prime is 2071578077. The reversal of 2071577988 is 8897751702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2071577988² = 8582870720732256288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2071577983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23763 + ... + 68613.

Almost surely, 2^2071577988 is an apocalyptic number.

It is an amenable number.

2071577988 is an abundant number, since it is smaller than the sum of its proper divisors (3169109100).

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

2071577988 is a wasteful number, since it uses less digits than its factorization.

2071577988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46144 (or 46139 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The square root of 2071577988 is about 45514.5909352155. The cubic root of 2071577988 is about 1274.7756597216.

The spelling of 2071577988 in words is "two billion, seventy-one million, five hundred seventy-seven thousand, nine hundred eighty-eight".