7980762149 has 8 divisors (see below), whose sum is σ = 8451226368. Its totient is φ = 7510409920.

The previous prime is 7980762121. The next prime is 7980762161. The reversal of 7980762149 is 9412670897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7980762149 - 2²⁸ = 7712326693 is a prime.

It is a super-2 number, since 2×7980762149² (a number of 21 digits) contains 22 as substring.

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 7980762149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980762199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151754 + ... + 197460.

It is an arithmetic number, because the mean of its divisors is an integer number (1056403296).

Almost surely, 2^7980762149 is an apocalyptic number.

It is an amenable number.

7980762149 is a deficient number, since it is larger than the sum of its proper divisors (470464219).

7980762149 is a wasteful number, since it uses less digits than its factorization.

7980762149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55995.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 7980762149 is about 89335.1115127753. Note that the first 3 decimals coincide. The cubic root of 7980762149 is about 1998.3955589787.

The spelling of 7980762149 in words is "seven billion, nine hundred eighty million, seven hundred sixty-two thousand, one hundred forty-nine".