77001048 has 24 divisors (see below), whose sum is σ = 208544700. Its totient is φ = 25666992.

The previous prime is 77001019. The next prime is 77001059. The reversal of 77001048 is 84010077.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×77001048² = 11858322786196608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534658 + ... + 534801.

Almost surely, 2^77001048 is an apocalyptic number.

It is an amenable number.

77001048 is an abundant number, since it is smaller than the sum of its proper divisors (131543652).

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

77001048 is a wasteful number, since it uses less digits than its factorization.

77001048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069471 (or 1069464 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 77001048 is about 8775.0241025310. The cubic root of 77001048 is about 425.4340166016.

The spelling of 77001048 in words is "seventy-seven million, one thousand, forty-eight".