7507052977 has 4 divisors (see below), whose sum is σ = 7648695540. Its totient is φ = 7365410416.

The previous prime is 7507052963. The next prime is 7507052983. The reversal of 7507052977 is 7792507057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7792507057 = 151 ⋅51606007.

It can be written as a sum of positive squares in 2 ways, for example, as 5219918001 + 2287134976 = 72249^2 + 47824^2 .

It is a cyclic number.

It is not a de Polignac number, because 7507052977 - 2⁷ = 7507052849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7507052977.

It is not an unprimeable number, because it can be changed into a prime (7507052947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70821202 + ... + 70821307.

It is an arithmetic number, because the mean of its divisors is an integer number (1912173885).

Almost surely, 2^7507052977 is an apocalyptic number.

It is an amenable number.

7507052977 is a deficient number, since it is larger than the sum of its proper divisors (141642563).

7507052977 is a wasteful number, since it uses less digits than its factorization.

7507052977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141642562.

The product of its (nonzero) digits is 1080450, while the sum is 49.

The square root of 7507052977 is about 86643.2511913075. The cubic root of 7507052977 is about 1958.0472166000.

The spelling of 7507052977 in words is "seven billion, five hundred seven million, fifty-two thousand, nine hundred seventy-seven".