49977806479 has 8 divisors (see below), whose sum is σ = 50200781760. Its totient is φ = 49754947200.

The previous prime is 49977806477. The next prime is 49977806491. The reversal of 49977806479 is 97460877994.

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 49977806479 - 2¹ = 49977806477 is a prime.

It is a super-2 number, since 2×49977806479² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977806477) 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, 900619 + ... + 954499.

It is an arithmetic number, because the mean of its divisors is an integer number (6275097720).

Almost surely, 2^49977806479 is an apocalyptic number.

49977806479 is a deficient number, since it is larger than the sum of its proper divisors (222975281).

49977806479 is a wasteful number, since it uses less digits than its factorization.

49977806479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58001.

The product of its (nonzero) digits is 192036096, while the sum is 70.

The spelling of 49977806479 in words is "forty-nine billion, nine hundred seventy-seven million, eight hundred six thousand, four hundred seventy-nine".