77834652 has 48 divisors (see below), whose sum is σ = 208481280. Its totient is φ = 22139712.

The previous prime is 77834639. The next prime is 77834677. The reversal of 77834652 is 25643877.

It is a super-2 number, since 2×77834652² = 12116466103922208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 18138 + ... + 22014.

It is an arithmetic number, because the mean of its divisors is an integer number (4343360).

Almost surely, 2^77834652 is an apocalyptic number.

It is an amenable number.

77834652 is an abundant number, since it is smaller than the sum of its proper divisors (130646628).

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

77834652 is a wasteful number, since it uses less digits than its factorization.

77834652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4128 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 77834652 is about 8822.3949129474. The cubic root of 77834652 is about 426.9637419463.

The spelling of 77834652 in words is "seventy-seven million, eight hundred thirty-four thousand, six hundred fifty-two".