152040779 has 4 divisors (see below), whose sum is σ = 165862680. Its totient is φ = 138218880.

The previous prime is 152040767. The next prime is 152040799. The reversal of 152040779 is 977040251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977040251 = 11 ⋅88821841.

It is a cyclic number.

It is not a de Polignac number, because 152040779 - 2²⁰ = 150992203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152040719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6910934 + ... + 6910955.

It is an arithmetic number, because the mean of its divisors is an integer number (41465670).

Almost surely, 2^152040779 is an apocalyptic number.

152040779 is a deficient number, since it is larger than the sum of its proper divisors (13821901).

152040779 is a wasteful number, since it uses less digits than its factorization.

152040779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13821900.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 152040779 is about 12330.4817018639. The cubic root of 152040779 is about 533.7280512449.

The spelling of 152040779 in words is "one hundred fifty-two million, forty thousand, seven hundred seventy-nine".