82907641 has 2 divisors, whose sum is σ = 82907642. Its totient is φ = 82907640.

The previous prime is 82907611. The next prime is 82907653. The reversal of 82907641 is 14670928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 10725625 = 8496^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 82907641 - 2¹³ = 82899449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82907641.

It is not a weakly prime, because it can be changed into another prime (82907611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41453820 + 41453821.

It is an arithmetic number, because the mean of its divisors is an integer number (41453821).

Almost surely, 2^82907641 is an apocalyptic number.

It is an amenable number.

82907641 is a deficient number, since it is larger than the sum of its proper divisors (1).

82907641 is an equidigital number, since it uses as much as digits as its factorization.

82907641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82907641 is about 9105.3633096104. The cubic root of 82907641 is about 436.0452093092.

It can be divided in two parts, 8290 and 7641, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 82907641 in words is "eighty-two million, nine hundred seven thousand, six hundred forty-one".