47779297774 has 16 divisors (see below), whose sum is σ = 77189610960. Its totient is φ = 22049792640.

The previous prime is 47779297771. The next prime is 47779297781.

47779297774 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×47779297774² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47779297771) 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, 192022 + ... + 363910.

It is an arithmetic number, because the mean of its divisors is an integer number (4824350685).

Almost surely, 2^47779297774 is an apocalyptic number.

47779297774 is a deficient number, since it is larger than the sum of its proper divisors (29410313186).

47779297774 is a wasteful number, since it uses less digits than its factorization.

47779297774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182595.

The product of its digits is 304946208, while the sum is 70.

The spelling of 47779297774 in words is "forty-seven billion, seven hundred seventy-nine million, two hundred ninety-seven thousand, seven hundred seventy-four".