7277650989 has 16 divisors (see below), whose sum is σ = 11742092928. Its totient is φ = 3914030592.

The previous prime is 7277650981. The next prime is 7277650993. The reversal of 7277650989 is 9890567727.

It is not a de Polignac number, because 7277650989 - 2³ = 7277650981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7277650981) 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, 10192432 + ... + 10193145.

It is an arithmetic number, because the mean of its divisors is an integer number (733880808).

Almost surely, 2^7277650989 is an apocalyptic number.

It is an amenable number.

7277650989 is a deficient number, since it is larger than the sum of its proper divisors (4464441939).

7277650989 is a wasteful number, since it uses less digits than its factorization.

7277650989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385604.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The square root of 7277650989 is about 85309.1495034384. The cubic root of 7277650989 is about 1937.8957405937.

The spelling of 7277650989 in words is "seven billion, two hundred seventy-seven million, six hundred fifty thousand, nine hundred eighty-nine".