84007157 has 8 divisors (see below), whose sum is σ = 90549984. Its totient is φ = 77475888.

The previous prime is 84007153. The next prime is 84007169. The reversal of 84007157 is 75170048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84007157 - 2² = 84007153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84007153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17678 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (11318748).

Almost surely, 2^84007157 is an apocalyptic number.

It is an amenable number.

84007157 is a deficient number, since it is larger than the sum of its proper divisors (6542827).

84007157 is a wasteful number, since it uses less digits than its factorization.

84007157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 84007157 is about 9165.5418279554. The cubic root of 84007157 is about 437.9643518175.

The spelling of 84007157 in words is "eighty-four million, seven thousand, one hundred fifty-seven".