147777948 has 72 divisors (see below), whose sum is σ = 382047120. Its totient is φ = 48153600.

The previous prime is 147777943. The next prime is 147777979. The reversal of 147777948 is 849777741.

It is a junction number, because it is equal to n+sod(n) for n = 147777894 and 147777903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147777943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352483 + ... + 352901.

It is an arithmetic number, because the mean of its divisors is an integer number (5306210).

Almost surely, 2^147777948 is an apocalyptic number.

147777948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

147777948 is an abundant number, since it is smaller than the sum of its proper divisors (234269172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147777948 is a wasteful number, since it uses less digits than its factorization.

147777948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 622 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 54.

The square root of 147777948 is about 12156.3953538868. The cubic root of 147777948 is about 528.6925742842.

The spelling of 147777948 in words is "one hundred forty-seven million, seven hundred seventy-seven thousand, nine hundred forty-eight".