48777489 has 6 divisors (see below), whose sum is σ = 70456386. Its totient is φ = 32518320.

The previous prime is 48777479. The next prime is 48777499. The reversal of 48777489 is 98477784.

It is an interprime number because it is at equal distance from previous prime (48777479) and next prime (48777499).

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 14379264 = 5865^2 + 3792^2 .

It is not a de Polignac number, because 48777489 - 2⁷ = 48777361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48777439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2709852 + ... + 2709869.

It is an arithmetic number, because the mean of its divisors is an integer number (11742731).

Almost surely, 2^48777489 is an apocalyptic number.

It is an amenable number.

48777489 is a deficient number, since it is larger than the sum of its proper divisors (21678897).

48777489 is a wasteful number, since it uses less digits than its factorization.

48777489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419727 (or 5419724 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 48777489 is about 6984.0882726380. The cubic root of 48777489 is about 365.3758285640.

The spelling of 48777489 in words is "forty-eight million, seven hundred seventy-seven thousand, four hundred eighty-nine".