7287912351 has 6 divisors (see below), whose sum is σ = 10526984520. Its totient is φ = 4858608228.

The previous prime is 7287912343. The next prime is 7287912361. The reversal of 7287912351 is 1532197827.

7287912351 is a `hidden beast` number, since 7 + 287 + 9 + 12 + 351 = 666.

It is not a de Polignac number, because 7287912351 - 2³ = 7287912343 is a prime.

It is a super-2 number, since 2×7287912351² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7287912297 and 7287912306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287912341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404884011 + ... + 404884028.

It is an arithmetic number, because the mean of its divisors is an integer number (1754497420).

Almost surely, 2^7287912351 is an apocalyptic number.

7287912351 is a deficient number, since it is larger than the sum of its proper divisors (3239072169).

7287912351 is a wasteful number, since it uses less digits than its factorization.

7287912351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809768045 (or 809768042 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 7287912351 is about 85369.2705310289. The cubic root of 7287912351 is about 1938.8061126817.

The spelling of 7287912351 in words is "seven billion, two hundred eighty-seven million, nine hundred twelve thousand, three hundred fifty-one".