80148739 has 16 divisors (see below), whose sum is σ = 89280000. Its totient is φ = 71341920.

The previous prime is 80148709. The next prime is 80148769. The reversal of 80148739 is 93784108.

It is an interprime number because it is at equal distance from previous prime (80148709) and next prime (80148769).

It is a cyclic number.

It is not a de Polignac number, because 80148739 - 2⁹ = 80148227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80148709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129172 + ... + 129790.

It is an arithmetic number, because the mean of its divisors is an integer number (5580000).

Almost surely, 2^80148739 is an apocalyptic number.

80148739 is a deficient number, since it is larger than the sum of its proper divisors (9131261).

80148739 is a wasteful number, since it uses less digits than its factorization.

80148739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 80148739 is about 8952.5828116807. The cubic root of 80148739 is about 431.1538130644.

The spelling of 80148739 in words is "eighty million, one hundred forty-eight thousand, seven hundred thirty-nine".