82053787 has 4 divisors (see below), whose sum is σ = 82110240. Its totient is φ = 81997336.

The previous prime is 82053773. The next prime is 82053841. The reversal of 82053787 is 78735028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82053787 - 2¹⁹ = 81529499 is a prime.

It is a super-2 number, since 2×82053787² = 13465647922082738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82053767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25987 + ... + 28972.

It is an arithmetic number, because the mean of its divisors is an integer number (20527560).

Almost surely, 2^82053787 is an apocalyptic number.

82053787 is a deficient number, since it is larger than the sum of its proper divisors (56453).

82053787 is a wasteful number, since it uses less digits than its factorization.

82053787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56452.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 82053787 is about 9058.3545415268. The cubic root of 82053787 is about 434.5431183133.

The spelling of 82053787 in words is "eighty-two million, fifty-three thousand, seven hundred eighty-seven".