82737601515 has 12 divisors (see below), whose sum is σ = 143411842704. Its totient is φ = 44126720784.

The previous prime is 82737601459. The next prime is 82737601519. The reversal of 82737601515 is 51510673728.

It is a happy number.

82737601515 is a `hidden beast` number, since 8 + 2 + 7 + 37 + 601 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 82737601515 - 2⁶ = 82737601451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1838613367 = 82737601515 / (8 + 2 + 7 + 3 + 7 + 6 + 0 + 1 + 5 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (82737601519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919306639 + ... + 919306728.

It is an arithmetic number, because the mean of its divisors is an integer number (11950986892).

Almost surely, 2^82737601515 is an apocalyptic number.

82737601515 is a deficient number, since it is larger than the sum of its proper divisors (60674241189).

82737601515 is a wasteful number, since it uses less digits than its factorization.

82737601515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838613378 (or 1838613375 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 82737601515 in words is "eighty-two billion, seven hundred thirty-seven million, six hundred one thousand, five hundred fifteen".