47000151778 has 16 divisors (see below), whose sum is σ = 71900640000. Its totient is φ = 23035555152.

The previous prime is 47000151773. The next prime is 47000151791. The reversal of 47000151778 is 87715100074.

It is a super-2 number, since 2×47000151778² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47000151778.

It is not an unprimeable number, because it can be changed into a prime (47000151773) 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, 529458 + ... + 611821.

It is an arithmetic number, because the mean of its divisors is an integer number (4493790000).

Almost surely, 2^47000151778 is an apocalyptic number.

47000151778 is a deficient number, since it is larger than the sum of its proper divisors (24900488222).

47000151778 is a wasteful number, since it uses less digits than its factorization.

47000151778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141689.

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 47000151778 in words is "forty-seven billion, one hundred fifty-one thousand, seven hundred seventy-eight".