7577020077 has 16 divisors (see below), whose sum is σ = 11022592512. Its totient is φ = 4591519920.

The previous prime is 7577020063. The next prime is 7577020123. The reversal of 7577020077 is 7700207757.

It is not a de Polignac number, because 7577020077 - 2¹² = 7577015981 is a prime.

It is a super-2 number, since 2×7577020077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7577020007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419058 + ... + 436764.

It is an arithmetic number, because the mean of its divisors is an integer number (688912032).

Almost surely, 2^7577020077 is an apocalyptic number.

It is an amenable number.

7577020077 is a deficient number, since it is larger than the sum of its proper divisors (3445572435).

7577020077 is a wasteful number, since it uses less digits than its factorization.

7577020077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30688.

The product of its (nonzero) digits is 168070, while the sum is 42.

The square root of 7577020077 is about 87046.0801931942. The cubic root of 7577020077 is about 1964.1115340645. Note that the first 3 decimals are identical.

The spelling of 7577020077 in words is "seven billion, five hundred seventy-seven million, twenty thousand, seventy-seven".