45077342879 has 4 divisors (see below), whose sum is σ = 47037227376. Its totient is φ = 43117458384.

The previous prime is 45077342837. The next prime is 45077342887. The reversal of 45077342879 is 97824377054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45077342879 - 2²⁰ = 45076294303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45077342819) 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, 979942214 + ... + 979942259.

It is an arithmetic number, because the mean of its divisors is an integer number (11759306844).

Almost surely, 2^45077342879 is an apocalyptic number.

45077342879 is a deficient number, since it is larger than the sum of its proper divisors (1959884497).

45077342879 is a wasteful number, since it uses less digits than its factorization.

45077342879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959884496.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 45077342879 in words is "forty-five billion, seventy-seven million, three hundred forty-two thousand, eight hundred seventy-nine".