2986991577 has 48 divisors (see below), whose sum is σ = 4892160000. Its totient is φ = 1746217440.

The previous prime is 2986991533. The next prime is 2986991593. The reversal of 2986991577 is 7751996892.

It is not a de Polignac number, because 2986991577 - 2¹⁵ = 2986958809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2986991597) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109674 + ... + 134172.

It is an arithmetic number, because the mean of its divisors is an integer number (101920000).

Almost surely, 2^2986991577 is an apocalyptic number.

It is an amenable number.

2986991577 is a deficient number, since it is larger than the sum of its proper divisors (1905168423).

2986991577 is a wasteful number, since it uses less digits than its factorization.

2986991577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24578 (or 24575 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The square root of 2986991577 is about 54653.3766294453. The cubic root of 2986991577 is about 1440.1619508247.

The spelling of 2986991577 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-one thousand, five hundred seventy-seven".