7700987453 has 4 divisors (see below), whose sum is σ = 7708531068. Its totient is φ = 7693443840.

The previous prime is 7700987447. The next prime is 7700987513. The reversal of 7700987453 is 3547890077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5529707044 + 2171280409 = 74362^2 + 46597^2 .

It is a cyclic number.

It is not a de Polignac number, because 7700987453 - 2⁸ = 7700987197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700987153) 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, 3770276 + ... + 3772317.

It is an arithmetic number, because the mean of its divisors is an integer number (1927132767).

Almost surely, 2^7700987453 is an apocalyptic number.

It is an amenable number.

7700987453 is a deficient number, since it is larger than the sum of its proper divisors (7543615).

7700987453 is a wasteful number, since it uses less digits than its factorization.

7700987453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543614.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 7700987453 is about 87755.2702292005. The cubic root of 7700987453 is about 1974.7652300546.

The spelling of 7700987453 in words is "seven billion, seven hundred million, nine hundred eighty-seven thousand, four hundred fifty-three".